2 * Universal Interface for Intel High Definition Audio Codec
4 * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
7 * This driver is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This driver is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 #include <linux/init.h>
24 #include <linux/delay.h>
25 #include <linux/slab.h>
26 #include <linux/pci.h>
27 #include <linux/mutex.h>
28 #include <linux/module.h>
29 #include <sound/core.h>
30 #include "hda_codec.h"
31 #include <sound/asoundef.h>
32 #include <sound/tlv.h>
33 #include <sound/initval.h>
34 #include <sound/jack.h>
35 #include "hda_local.h"
38 #include <sound/hda_hwdep.h>
40 #define CREATE_TRACE_POINTS
41 #include "hda_trace.h"
44 * vendor / preset table
47 struct hda_vendor_id {
52 /* codec vendor labels */
53 static struct hda_vendor_id hda_vendor_ids[] = {
55 { 0x1013, "Cirrus Logic" },
56 { 0x1057, "Motorola" },
57 { 0x1095, "Silicon Image" },
59 { 0x10ec, "Realtek" },
60 { 0x1102, "Creative" },
64 { 0x11d4, "Analog Devices" },
65 { 0x13f6, "C-Media" },
66 { 0x14f1, "Conexant" },
67 { 0x17e8, "Chrontel" },
69 { 0x1aec, "Wolfson Microelectronics" },
70 { 0x434d, "C-Media" },
72 { 0x8384, "SigmaTel" },
76 static DEFINE_MUTEX(preset_mutex);
77 static LIST_HEAD(hda_preset_tables);
79 int snd_hda_add_codec_preset(struct hda_codec_preset_list *preset)
81 mutex_lock(&preset_mutex);
82 list_add_tail(&preset->list, &hda_preset_tables);
83 mutex_unlock(&preset_mutex);
86 EXPORT_SYMBOL_HDA(snd_hda_add_codec_preset);
88 int snd_hda_delete_codec_preset(struct hda_codec_preset_list *preset)
90 mutex_lock(&preset_mutex);
91 list_del(&preset->list);
92 mutex_unlock(&preset_mutex);
95 EXPORT_SYMBOL_HDA(snd_hda_delete_codec_preset);
98 #define codec_in_pm(codec) ((codec)->in_pm)
99 static void hda_power_work(struct work_struct *work);
100 static void hda_keep_power_on(struct hda_codec *codec);
101 #define hda_codec_is_power_on(codec) ((codec)->power_on)
102 static inline void hda_call_pm_notify(struct hda_bus *bus, bool power_up)
104 if (bus->ops.pm_notify)
105 bus->ops.pm_notify(bus, power_up);
108 #define codec_in_pm(codec) 0
109 static inline void hda_keep_power_on(struct hda_codec *codec) {}
110 #define hda_codec_is_power_on(codec) 1
111 #define hda_call_pm_notify(bus, state) {}
115 * snd_hda_get_jack_location - Give a location string of the jack
116 * @cfg: pin default config value
118 * Parse the pin default config value and returns the string of the
119 * jack location, e.g. "Rear", "Front", etc.
121 const char *snd_hda_get_jack_location(u32 cfg)
123 static char *bases[7] = {
124 "N/A", "Rear", "Front", "Left", "Right", "Top", "Bottom",
126 static unsigned char specials_idx[] = {
131 static char *specials[] = {
132 "Rear Panel", "Drive Bar",
133 "Riser", "HDMI", "ATAPI",
134 "Mobile-In", "Mobile-Out"
137 cfg = (cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT;
138 if ((cfg & 0x0f) < 7)
139 return bases[cfg & 0x0f];
140 for (i = 0; i < ARRAY_SIZE(specials_idx); i++) {
141 if (cfg == specials_idx[i])
146 EXPORT_SYMBOL_HDA(snd_hda_get_jack_location);
149 * snd_hda_get_jack_connectivity - Give a connectivity string of the jack
150 * @cfg: pin default config value
152 * Parse the pin default config value and returns the string of the
153 * jack connectivity, i.e. external or internal connection.
155 const char *snd_hda_get_jack_connectivity(u32 cfg)
157 static char *jack_locations[4] = { "Ext", "Int", "Sep", "Oth" };
159 return jack_locations[(cfg >> (AC_DEFCFG_LOCATION_SHIFT + 4)) & 3];
161 EXPORT_SYMBOL_HDA(snd_hda_get_jack_connectivity);
164 * snd_hda_get_jack_type - Give a type string of the jack
165 * @cfg: pin default config value
167 * Parse the pin default config value and returns the string of the
168 * jack type, i.e. the purpose of the jack, such as Line-Out or CD.
170 const char *snd_hda_get_jack_type(u32 cfg)
172 static char *jack_types[16] = {
173 "Line Out", "Speaker", "HP Out", "CD",
174 "SPDIF Out", "Digital Out", "Modem Line", "Modem Hand",
175 "Line In", "Aux", "Mic", "Telephony",
176 "SPDIF In", "Digital In", "Reserved", "Other"
179 return jack_types[(cfg & AC_DEFCFG_DEVICE)
180 >> AC_DEFCFG_DEVICE_SHIFT];
182 EXPORT_SYMBOL_HDA(snd_hda_get_jack_type);
185 * Compose a 32bit command word to be sent to the HD-audio controller
187 static inline unsigned int
188 make_codec_cmd(struct hda_codec *codec, hda_nid_t nid, int direct,
189 unsigned int verb, unsigned int parm)
193 if ((codec->addr & ~0xf) || (direct & ~1) || (nid & ~0x7f) ||
194 (verb & ~0xfff) || (parm & ~0xffff)) {
195 printk(KERN_ERR "hda-codec: out of range cmd %x:%x:%x:%x:%x\n",
196 codec->addr, direct, nid, verb, parm);
200 val = (u32)codec->addr << 28;
201 val |= (u32)direct << 27;
202 val |= (u32)nid << 20;
209 * Send and receive a verb
211 static int codec_exec_verb(struct hda_codec *codec, unsigned int cmd,
214 struct hda_bus *bus = codec->bus;
223 snd_hda_power_up(codec);
224 mutex_lock(&bus->cmd_mutex);
226 trace_hda_send_cmd(codec, cmd);
227 err = bus->ops.command(bus, cmd);
230 /* process pending verbs */
231 bus->ops.get_response(bus, codec->addr);
234 *res = bus->ops.get_response(bus, codec->addr);
235 trace_hda_get_response(codec, *res);
237 mutex_unlock(&bus->cmd_mutex);
238 snd_hda_power_down(codec);
239 if (!codec_in_pm(codec) && res && *res == -1 && bus->rirb_error) {
240 if (bus->response_reset) {
241 snd_printd("hda_codec: resetting BUS due to "
242 "fatal communication error\n");
243 trace_hda_bus_reset(bus);
244 bus->ops.bus_reset(bus);
248 /* clear reset-flag when the communication gets recovered */
249 if (!err || codec_in_pm(codec))
250 bus->response_reset = 0;
255 * snd_hda_codec_read - send a command and get the response
256 * @codec: the HDA codec
257 * @nid: NID to send the command
258 * @direct: direct flag
259 * @verb: the verb to send
260 * @parm: the parameter for the verb
262 * Send a single command and read the corresponding response.
264 * Returns the obtained response value, or -1 for an error.
266 unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid,
268 unsigned int verb, unsigned int parm)
270 unsigned cmd = make_codec_cmd(codec, nid, direct, verb, parm);
272 if (codec_exec_verb(codec, cmd, &res))
276 EXPORT_SYMBOL_HDA(snd_hda_codec_read);
279 * snd_hda_codec_write - send a single command without waiting for response
280 * @codec: the HDA codec
281 * @nid: NID to send the command
282 * @direct: direct flag
283 * @verb: the verb to send
284 * @parm: the parameter for the verb
286 * Send a single command without waiting for response.
288 * Returns 0 if successful, or a negative error code.
290 int snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int direct,
291 unsigned int verb, unsigned int parm)
293 unsigned int cmd = make_codec_cmd(codec, nid, direct, verb, parm);
295 return codec_exec_verb(codec, cmd,
296 codec->bus->sync_write ? &res : NULL);
298 EXPORT_SYMBOL_HDA(snd_hda_codec_write);
301 * snd_hda_sequence_write - sequence writes
302 * @codec: the HDA codec
303 * @seq: VERB array to send
305 * Send the commands sequentially from the given array.
306 * The array must be terminated with NID=0.
308 void snd_hda_sequence_write(struct hda_codec *codec, const struct hda_verb *seq)
310 for (; seq->nid; seq++)
311 snd_hda_codec_write(codec, seq->nid, 0, seq->verb, seq->param);
313 EXPORT_SYMBOL_HDA(snd_hda_sequence_write);
316 * snd_hda_get_sub_nodes - get the range of sub nodes
317 * @codec: the HDA codec
319 * @start_id: the pointer to store the start NID
321 * Parse the NID and store the start NID of its sub-nodes.
322 * Returns the number of sub-nodes.
324 int snd_hda_get_sub_nodes(struct hda_codec *codec, hda_nid_t nid,
329 parm = snd_hda_param_read(codec, nid, AC_PAR_NODE_COUNT);
332 *start_id = (parm >> 16) & 0x7fff;
333 return (int)(parm & 0x7fff);
335 EXPORT_SYMBOL_HDA(snd_hda_get_sub_nodes);
337 /* connection list element */
338 struct hda_conn_list {
339 struct list_head list;
345 /* look up the cached results */
346 static struct hda_conn_list *
347 lookup_conn_list(struct hda_codec *codec, hda_nid_t nid)
349 struct hda_conn_list *p;
350 list_for_each_entry(p, &codec->conn_list, list) {
357 static int add_conn_list(struct hda_codec *codec, hda_nid_t nid, int len,
358 const hda_nid_t *list)
360 struct hda_conn_list *p;
362 p = kmalloc(sizeof(*p) + len * sizeof(hda_nid_t), GFP_KERNEL);
367 memcpy(p->conns, list, len * sizeof(hda_nid_t));
368 list_add(&p->list, &codec->conn_list);
372 static void remove_conn_list(struct hda_codec *codec)
374 while (!list_empty(&codec->conn_list)) {
375 struct hda_conn_list *p;
376 p = list_first_entry(&codec->conn_list, typeof(*p), list);
382 /* read the connection and add to the cache */
383 static int read_and_add_raw_conns(struct hda_codec *codec, hda_nid_t nid)
386 hda_nid_t *result = list;
389 len = snd_hda_get_raw_connections(codec, nid, list, ARRAY_SIZE(list));
390 if (len == -ENOSPC) {
391 len = snd_hda_get_num_raw_conns(codec, nid);
392 result = kmalloc(sizeof(hda_nid_t) * len, GFP_KERNEL);
395 len = snd_hda_get_raw_connections(codec, nid, result, len);
398 len = snd_hda_override_conn_list(codec, nid, len, result);
405 * snd_hda_get_conn_list - get connection list
406 * @codec: the HDA codec
408 * @len: number of connection list entries
409 * @listp: the pointer to store NID list
411 * Parses the connection list of the given widget and stores the pointer
412 * to the list of NIDs.
414 * Returns the number of connections, or a negative error code.
416 * Note that the returned pointer isn't protected against the list
417 * modification. If snd_hda_override_conn_list() might be called
418 * concurrently, protect with a mutex appropriately.
420 int snd_hda_get_conn_list(struct hda_codec *codec, hda_nid_t nid,
421 const hda_nid_t **listp)
427 const struct hda_conn_list *p;
429 /* if the connection-list is already cached, read it */
430 p = lookup_conn_list(codec, nid);
436 if (snd_BUG_ON(added))
439 err = read_and_add_raw_conns(codec, nid);
445 EXPORT_SYMBOL_HDA(snd_hda_get_conn_list);
448 * snd_hda_get_connections - copy connection list
449 * @codec: the HDA codec
451 * @conn_list: connection list array; when NULL, checks only the size
452 * @max_conns: max. number of connections to store
454 * Parses the connection list of the given widget and stores the list
457 * Returns the number of connections, or a negative error code.
459 int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
460 hda_nid_t *conn_list, int max_conns)
462 const hda_nid_t *list;
463 int len = snd_hda_get_conn_list(codec, nid, &list);
465 if (len > 0 && conn_list) {
466 if (len > max_conns) {
467 snd_printk(KERN_ERR "hda_codec: "
468 "Too many connections %d for NID 0x%x\n",
472 memcpy(conn_list, list, len * sizeof(hda_nid_t));
477 EXPORT_SYMBOL_HDA(snd_hda_get_connections);
479 /* return CONNLIST_LEN parameter of the given widget */
480 static unsigned int get_num_conns(struct hda_codec *codec, hda_nid_t nid)
482 unsigned int wcaps = get_wcaps(codec, nid);
485 if (!(wcaps & AC_WCAP_CONN_LIST) &&
486 get_wcaps_type(wcaps) != AC_WID_VOL_KNB)
489 parm = snd_hda_param_read(codec, nid, AC_PAR_CONNLIST_LEN);
495 int snd_hda_get_num_raw_conns(struct hda_codec *codec, hda_nid_t nid)
497 return snd_hda_get_raw_connections(codec, nid, NULL, 0);
501 * snd_hda_get_raw_connections - copy connection list without cache
502 * @codec: the HDA codec
504 * @conn_list: connection list array
505 * @max_conns: max. number of connections to store
507 * Like snd_hda_get_connections(), copy the connection list but without
508 * checking through the connection-list cache.
509 * Currently called only from hda_proc.c, so not exported.
511 int snd_hda_get_raw_connections(struct hda_codec *codec, hda_nid_t nid,
512 hda_nid_t *conn_list, int max_conns)
515 int i, conn_len, conns;
516 unsigned int shift, num_elems, mask;
520 parm = get_num_conns(codec, nid);
524 if (parm & AC_CLIST_LONG) {
533 conn_len = parm & AC_CLIST_LENGTH;
534 mask = (1 << (shift-1)) - 1;
537 return 0; /* no connection */
540 /* single connection */
541 parm = snd_hda_codec_read(codec, nid, 0,
542 AC_VERB_GET_CONNECT_LIST, 0);
543 if (parm == -1 && codec->bus->rirb_error)
546 conn_list[0] = parm & mask;
550 /* multi connection */
553 for (i = 0; i < conn_len; i++) {
557 if (i % num_elems == 0) {
558 parm = snd_hda_codec_read(codec, nid, 0,
559 AC_VERB_GET_CONNECT_LIST, i);
560 if (parm == -1 && codec->bus->rirb_error)
563 range_val = !!(parm & (1 << (shift-1))); /* ranges */
565 if (val == 0 && null_count++) { /* no second chance */
566 snd_printk(KERN_WARNING "hda_codec: "
567 "invalid CONNECT_LIST verb %x[%i]:%x\n",
573 /* ranges between the previous and this one */
574 if (!prev_nid || prev_nid >= val) {
575 snd_printk(KERN_WARNING "hda_codec: "
576 "invalid dep_range_val %x:%x\n",
580 for (n = prev_nid + 1; n <= val; n++) {
582 if (conns >= max_conns)
584 conn_list[conns] = n;
590 if (conns >= max_conns)
592 conn_list[conns] = val;
602 * snd_hda_override_conn_list - add/modify the connection-list to cache
603 * @codec: the HDA codec
605 * @len: number of connection list entries
606 * @list: the list of connection entries
608 * Add or modify the given connection-list to the cache. If the corresponding
609 * cache already exists, invalidate it and append a new one.
611 * Returns zero or a negative error code.
613 int snd_hda_override_conn_list(struct hda_codec *codec, hda_nid_t nid, int len,
614 const hda_nid_t *list)
616 struct hda_conn_list *p;
618 p = lookup_conn_list(codec, nid);
624 return add_conn_list(codec, nid, len, list);
626 EXPORT_SYMBOL_HDA(snd_hda_override_conn_list);
629 * snd_hda_get_conn_index - get the connection index of the given NID
630 * @codec: the HDA codec
631 * @mux: NID containing the list
632 * @nid: NID to select
633 * @recursive: 1 when searching NID recursively, otherwise 0
635 * Parses the connection list of the widget @mux and checks whether the
636 * widget @nid is present. If it is, return the connection index.
637 * Otherwise it returns -1.
639 int snd_hda_get_conn_index(struct hda_codec *codec, hda_nid_t mux,
640 hda_nid_t nid, int recursive)
642 const hda_nid_t *conn;
645 nums = snd_hda_get_conn_list(codec, mux, &conn);
646 for (i = 0; i < nums; i++)
651 if (recursive > 10) {
652 snd_printd("hda_codec: too deep connection for 0x%x\n", nid);
656 for (i = 0; i < nums; i++) {
657 unsigned int type = get_wcaps_type(get_wcaps(codec, conn[i]));
658 if (type == AC_WID_PIN || type == AC_WID_AUD_OUT)
660 if (snd_hda_get_conn_index(codec, conn[i], nid, recursive) >= 0)
665 EXPORT_SYMBOL_HDA(snd_hda_get_conn_index);
668 * snd_hda_queue_unsol_event - add an unsolicited event to queue
670 * @res: unsolicited event (lower 32bit of RIRB entry)
671 * @res_ex: codec addr and flags (upper 32bit or RIRB entry)
673 * Adds the given event to the queue. The events are processed in
674 * the workqueue asynchronously. Call this function in the interrupt
675 * hanlder when RIRB receives an unsolicited event.
677 * Returns 0 if successful, or a negative error code.
679 int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex)
681 struct hda_bus_unsolicited *unsol;
684 trace_hda_unsol_event(bus, res, res_ex);
689 wp = (unsol->wp + 1) % HDA_UNSOL_QUEUE_SIZE;
693 unsol->queue[wp] = res;
694 unsol->queue[wp + 1] = res_ex;
696 queue_work(bus->workq, &unsol->work);
700 EXPORT_SYMBOL_HDA(snd_hda_queue_unsol_event);
703 * process queued unsolicited events
705 static void process_unsol_events(struct work_struct *work)
707 struct hda_bus_unsolicited *unsol =
708 container_of(work, struct hda_bus_unsolicited, work);
709 struct hda_bus *bus = unsol->bus;
710 struct hda_codec *codec;
711 unsigned int rp, caddr, res;
713 while (unsol->rp != unsol->wp) {
714 rp = (unsol->rp + 1) % HDA_UNSOL_QUEUE_SIZE;
717 res = unsol->queue[rp];
718 caddr = unsol->queue[rp + 1];
719 if (!(caddr & (1 << 4))) /* no unsolicited event? */
721 codec = bus->caddr_tbl[caddr & 0x0f];
722 if (codec && codec->patch_ops.unsol_event)
723 codec->patch_ops.unsol_event(codec, res);
728 * initialize unsolicited queue
730 static int init_unsol_queue(struct hda_bus *bus)
732 struct hda_bus_unsolicited *unsol;
734 if (bus->unsol) /* already initialized */
737 unsol = kzalloc(sizeof(*unsol), GFP_KERNEL);
739 snd_printk(KERN_ERR "hda_codec: "
740 "can't allocate unsolicited queue\n");
743 INIT_WORK(&unsol->work, process_unsol_events);
752 static void snd_hda_codec_free(struct hda_codec *codec);
754 static int snd_hda_bus_free(struct hda_bus *bus)
756 struct hda_codec *codec, *n;
761 flush_workqueue(bus->workq);
764 list_for_each_entry_safe(codec, n, &bus->codec_list, list) {
765 snd_hda_codec_free(codec);
767 if (bus->ops.private_free)
768 bus->ops.private_free(bus);
770 destroy_workqueue(bus->workq);
775 static int snd_hda_bus_dev_free(struct snd_device *device)
777 struct hda_bus *bus = device->device_data;
779 return snd_hda_bus_free(bus);
782 #ifdef CONFIG_SND_HDA_HWDEP
783 static int snd_hda_bus_dev_register(struct snd_device *device)
785 struct hda_bus *bus = device->device_data;
786 struct hda_codec *codec;
787 list_for_each_entry(codec, &bus->codec_list, list) {
788 snd_hda_hwdep_add_sysfs(codec);
789 snd_hda_hwdep_add_power_sysfs(codec);
794 #define snd_hda_bus_dev_register NULL
798 * snd_hda_bus_new - create a HDA bus
799 * @card: the card entry
800 * @temp: the template for hda_bus information
801 * @busp: the pointer to store the created bus instance
803 * Returns 0 if successful, or a negative error code.
805 int snd_hda_bus_new(struct snd_card *card,
806 const struct hda_bus_template *temp,
807 struct hda_bus **busp)
811 static struct snd_device_ops dev_ops = {
812 .dev_register = snd_hda_bus_dev_register,
813 .dev_free = snd_hda_bus_dev_free,
816 if (snd_BUG_ON(!temp))
818 if (snd_BUG_ON(!temp->ops.command || !temp->ops.get_response))
824 bus = kzalloc(sizeof(*bus), GFP_KERNEL);
826 snd_printk(KERN_ERR "can't allocate struct hda_bus\n");
831 bus->private_data = temp->private_data;
832 bus->pci = temp->pci;
833 bus->modelname = temp->modelname;
834 bus->power_save = temp->power_save;
835 bus->ops = temp->ops;
837 mutex_init(&bus->cmd_mutex);
838 mutex_init(&bus->prepare_mutex);
839 INIT_LIST_HEAD(&bus->codec_list);
841 snprintf(bus->workq_name, sizeof(bus->workq_name),
842 "hd-audio%d", card->number);
843 bus->workq = create_singlethread_workqueue(bus->workq_name);
845 snd_printk(KERN_ERR "cannot create workqueue %s\n",
851 err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops);
853 snd_hda_bus_free(bus);
860 EXPORT_SYMBOL_HDA(snd_hda_bus_new);
862 #ifdef CONFIG_SND_HDA_GENERIC
863 #define is_generic_config(codec) \
864 (codec->modelname && !strcmp(codec->modelname, "generic"))
866 #define is_generic_config(codec) 0
870 #define HDA_MODREQ_MAX_COUNT 2 /* two request_modules()'s */
872 #define HDA_MODREQ_MAX_COUNT 0 /* all presets are statically linked */
876 * find a matching codec preset
878 static const struct hda_codec_preset *
879 find_codec_preset(struct hda_codec *codec)
881 struct hda_codec_preset_list *tbl;
882 const struct hda_codec_preset *preset;
883 unsigned int mod_requested = 0;
885 if (is_generic_config(codec))
886 return NULL; /* use the generic parser */
889 mutex_lock(&preset_mutex);
890 list_for_each_entry(tbl, &hda_preset_tables, list) {
891 if (!try_module_get(tbl->owner)) {
892 snd_printk(KERN_ERR "hda_codec: cannot module_get\n");
895 for (preset = tbl->preset; preset->id; preset++) {
896 u32 mask = preset->mask;
897 if (preset->afg && preset->afg != codec->afg)
899 if (preset->mfg && preset->mfg != codec->mfg)
903 if (preset->id == (codec->vendor_id & mask) &&
905 preset->rev == codec->revision_id)) {
906 mutex_unlock(&preset_mutex);
907 codec->owner = tbl->owner;
911 module_put(tbl->owner);
913 mutex_unlock(&preset_mutex);
915 if (mod_requested < HDA_MODREQ_MAX_COUNT) {
918 snprintf(name, sizeof(name), "snd-hda-codec-id:%08x",
921 snprintf(name, sizeof(name), "snd-hda-codec-id:%04x*",
922 (codec->vendor_id >> 16) & 0xffff);
923 request_module(name);
931 * get_codec_name - store the codec name
933 static int get_codec_name(struct hda_codec *codec)
935 const struct hda_vendor_id *c;
936 const char *vendor = NULL;
937 u16 vendor_id = codec->vendor_id >> 16;
940 if (codec->vendor_name)
943 for (c = hda_vendor_ids; c->id; c++) {
944 if (c->id == vendor_id) {
950 sprintf(tmp, "Generic %04x", vendor_id);
953 codec->vendor_name = kstrdup(vendor, GFP_KERNEL);
954 if (!codec->vendor_name)
958 if (codec->chip_name)
961 if (codec->preset && codec->preset->name)
962 codec->chip_name = kstrdup(codec->preset->name, GFP_KERNEL);
964 sprintf(tmp, "ID %x", codec->vendor_id & 0xffff);
965 codec->chip_name = kstrdup(tmp, GFP_KERNEL);
967 if (!codec->chip_name)
973 * look for an AFG and MFG nodes
975 static void setup_fg_nodes(struct hda_codec *codec)
977 int i, total_nodes, function_id;
980 total_nodes = snd_hda_get_sub_nodes(codec, AC_NODE_ROOT, &nid);
981 for (i = 0; i < total_nodes; i++, nid++) {
982 function_id = snd_hda_param_read(codec, nid,
983 AC_PAR_FUNCTION_TYPE);
984 switch (function_id & 0xff) {
985 case AC_GRP_AUDIO_FUNCTION:
987 codec->afg_function_id = function_id & 0xff;
988 codec->afg_unsol = (function_id >> 8) & 1;
990 case AC_GRP_MODEM_FUNCTION:
992 codec->mfg_function_id = function_id & 0xff;
993 codec->mfg_unsol = (function_id >> 8) & 1;
1002 * read widget caps for each widget and store in cache
1004 static int read_widget_caps(struct hda_codec *codec, hda_nid_t fg_node)
1009 codec->num_nodes = snd_hda_get_sub_nodes(codec, fg_node,
1011 codec->wcaps = kmalloc(codec->num_nodes * 4, GFP_KERNEL);
1014 nid = codec->start_nid;
1015 for (i = 0; i < codec->num_nodes; i++, nid++)
1016 codec->wcaps[i] = snd_hda_param_read(codec, nid,
1017 AC_PAR_AUDIO_WIDGET_CAP);
1021 /* read all pin default configurations and save codec->init_pins */
1022 static int read_pin_defaults(struct hda_codec *codec)
1025 hda_nid_t nid = codec->start_nid;
1027 for (i = 0; i < codec->num_nodes; i++, nid++) {
1028 struct hda_pincfg *pin;
1029 unsigned int wcaps = get_wcaps(codec, nid);
1030 unsigned int wid_type = get_wcaps_type(wcaps);
1031 if (wid_type != AC_WID_PIN)
1033 pin = snd_array_new(&codec->init_pins);
1037 pin->cfg = snd_hda_codec_read(codec, nid, 0,
1038 AC_VERB_GET_CONFIG_DEFAULT, 0);
1039 pin->ctrl = snd_hda_codec_read(codec, nid, 0,
1040 AC_VERB_GET_PIN_WIDGET_CONTROL,
1046 /* look up the given pin config list and return the item matching with NID */
1047 static struct hda_pincfg *look_up_pincfg(struct hda_codec *codec,
1048 struct snd_array *array,
1052 for (i = 0; i < array->used; i++) {
1053 struct hda_pincfg *pin = snd_array_elem(array, i);
1054 if (pin->nid == nid)
1060 /* set the current pin config value for the given NID.
1061 * the value is cached, and read via snd_hda_codec_get_pincfg()
1063 int snd_hda_add_pincfg(struct hda_codec *codec, struct snd_array *list,
1064 hda_nid_t nid, unsigned int cfg)
1066 struct hda_pincfg *pin;
1068 /* the check below may be invalid when pins are added by a fixup
1069 * dynamically (e.g. via snd_hda_codec_update_widgets()), so disabled
1073 if (get_wcaps_type(get_wcaps(codec, nid)) != AC_WID_PIN)
1077 pin = look_up_pincfg(codec, list, nid);
1079 pin = snd_array_new(list);
1089 * snd_hda_codec_set_pincfg - Override a pin default configuration
1090 * @codec: the HDA codec
1091 * @nid: NID to set the pin config
1092 * @cfg: the pin default config value
1094 * Override a pin default configuration value in the cache.
1095 * This value can be read by snd_hda_codec_get_pincfg() in a higher
1096 * priority than the real hardware value.
1098 int snd_hda_codec_set_pincfg(struct hda_codec *codec,
1099 hda_nid_t nid, unsigned int cfg)
1101 return snd_hda_add_pincfg(codec, &codec->driver_pins, nid, cfg);
1103 EXPORT_SYMBOL_HDA(snd_hda_codec_set_pincfg);
1106 * snd_hda_codec_get_pincfg - Obtain a pin-default configuration
1107 * @codec: the HDA codec
1108 * @nid: NID to get the pin config
1110 * Get the current pin config value of the given pin NID.
1111 * If the pincfg value is cached or overridden via sysfs or driver,
1112 * returns the cached value.
1114 unsigned int snd_hda_codec_get_pincfg(struct hda_codec *codec, hda_nid_t nid)
1116 struct hda_pincfg *pin;
1118 #ifdef CONFIG_SND_HDA_HWDEP
1120 unsigned int cfg = 0;
1121 mutex_lock(&codec->user_mutex);
1122 pin = look_up_pincfg(codec, &codec->user_pins, nid);
1125 mutex_unlock(&codec->user_mutex);
1130 pin = look_up_pincfg(codec, &codec->driver_pins, nid);
1133 pin = look_up_pincfg(codec, &codec->init_pins, nid);
1138 EXPORT_SYMBOL_HDA(snd_hda_codec_get_pincfg);
1140 /* remember the current pinctl target value */
1141 int snd_hda_codec_set_pin_target(struct hda_codec *codec, hda_nid_t nid,
1144 struct hda_pincfg *pin;
1146 pin = look_up_pincfg(codec, &codec->init_pins, nid);
1152 EXPORT_SYMBOL_HDA(snd_hda_codec_set_pin_target);
1154 /* return the current pinctl target value */
1155 int snd_hda_codec_get_pin_target(struct hda_codec *codec, hda_nid_t nid)
1157 struct hda_pincfg *pin;
1159 pin = look_up_pincfg(codec, &codec->init_pins, nid);
1164 EXPORT_SYMBOL_HDA(snd_hda_codec_get_pin_target);
1167 * snd_hda_shutup_pins - Shut up all pins
1168 * @codec: the HDA codec
1170 * Clear all pin controls to shup up before suspend for avoiding click noise.
1171 * The controls aren't cached so that they can be resumed properly.
1173 void snd_hda_shutup_pins(struct hda_codec *codec)
1176 /* don't shut up pins when unloading the driver; otherwise it breaks
1177 * the default pin setup at the next load of the driver
1179 if (codec->bus->shutdown)
1181 for (i = 0; i < codec->init_pins.used; i++) {
1182 struct hda_pincfg *pin = snd_array_elem(&codec->init_pins, i);
1183 /* use read here for syncing after issuing each verb */
1184 snd_hda_codec_read(codec, pin->nid, 0,
1185 AC_VERB_SET_PIN_WIDGET_CONTROL, 0);
1187 codec->pins_shutup = 1;
1189 EXPORT_SYMBOL_HDA(snd_hda_shutup_pins);
1192 /* Restore the pin controls cleared previously via snd_hda_shutup_pins() */
1193 static void restore_shutup_pins(struct hda_codec *codec)
1196 if (!codec->pins_shutup)
1198 if (codec->bus->shutdown)
1200 for (i = 0; i < codec->init_pins.used; i++) {
1201 struct hda_pincfg *pin = snd_array_elem(&codec->init_pins, i);
1202 snd_hda_codec_write(codec, pin->nid, 0,
1203 AC_VERB_SET_PIN_WIDGET_CONTROL,
1206 codec->pins_shutup = 0;
1210 static void hda_jackpoll_work(struct work_struct *work)
1212 struct hda_codec *codec =
1213 container_of(work, struct hda_codec, jackpoll_work.work);
1214 if (!codec->jackpoll_interval)
1217 snd_hda_jack_set_dirty_all(codec);
1218 snd_hda_jack_poll_all(codec);
1219 queue_delayed_work(codec->bus->workq, &codec->jackpoll_work,
1220 codec->jackpoll_interval);
1223 static void init_hda_cache(struct hda_cache_rec *cache,
1224 unsigned int record_size);
1225 static void free_hda_cache(struct hda_cache_rec *cache);
1227 /* release all pincfg lists */
1228 static void free_init_pincfgs(struct hda_codec *codec)
1230 snd_array_free(&codec->driver_pins);
1231 #ifdef CONFIG_SND_HDA_HWDEP
1232 snd_array_free(&codec->user_pins);
1234 snd_array_free(&codec->init_pins);
1238 * audio-converter setup caches
1240 struct hda_cvt_setup {
1245 unsigned char active; /* cvt is currently used */
1246 unsigned char dirty; /* setups should be cleared */
1249 /* get or create a cache entry for the given audio converter NID */
1250 static struct hda_cvt_setup *
1251 get_hda_cvt_setup(struct hda_codec *codec, hda_nid_t nid)
1253 struct hda_cvt_setup *p;
1256 for (i = 0; i < codec->cvt_setups.used; i++) {
1257 p = snd_array_elem(&codec->cvt_setups, i);
1261 p = snd_array_new(&codec->cvt_setups);
1270 static void snd_hda_codec_free(struct hda_codec *codec)
1274 cancel_delayed_work_sync(&codec->jackpoll_work);
1275 snd_hda_jack_tbl_clear(codec);
1276 free_init_pincfgs(codec);
1278 cancel_delayed_work(&codec->power_work);
1279 flush_workqueue(codec->bus->workq);
1281 list_del(&codec->list);
1282 snd_array_free(&codec->mixers);
1283 snd_array_free(&codec->nids);
1284 snd_array_free(&codec->cvt_setups);
1285 snd_array_free(&codec->spdif_out);
1286 remove_conn_list(codec);
1287 codec->bus->caddr_tbl[codec->addr] = NULL;
1288 if (codec->patch_ops.free)
1289 codec->patch_ops.free(codec);
1291 if (!codec->pm_down_notified) /* cancel leftover refcounts */
1292 hda_call_pm_notify(codec->bus, false);
1294 module_put(codec->owner);
1295 free_hda_cache(&codec->amp_cache);
1296 free_hda_cache(&codec->cmd_cache);
1297 kfree(codec->vendor_name);
1298 kfree(codec->chip_name);
1299 kfree(codec->modelname);
1300 kfree(codec->wcaps);
1304 static bool snd_hda_codec_get_supported_ps(struct hda_codec *codec,
1305 hda_nid_t fg, unsigned int power_state);
1307 static unsigned int hda_set_power_state(struct hda_codec *codec,
1308 unsigned int power_state);
1311 * snd_hda_codec_new - create a HDA codec
1312 * @bus: the bus to assign
1313 * @codec_addr: the codec address
1314 * @codecp: the pointer to store the generated codec
1316 * Returns 0 if successful, or a negative error code.
1318 int snd_hda_codec_new(struct hda_bus *bus,
1319 unsigned int codec_addr,
1320 struct hda_codec **codecp)
1322 struct hda_codec *codec;
1327 if (snd_BUG_ON(!bus))
1329 if (snd_BUG_ON(codec_addr > HDA_MAX_CODEC_ADDRESS))
1332 if (bus->caddr_tbl[codec_addr]) {
1333 snd_printk(KERN_ERR "hda_codec: "
1334 "address 0x%x is already occupied\n", codec_addr);
1338 codec = kzalloc(sizeof(*codec), GFP_KERNEL);
1339 if (codec == NULL) {
1340 snd_printk(KERN_ERR "can't allocate struct hda_codec\n");
1345 codec->addr = codec_addr;
1346 mutex_init(&codec->spdif_mutex);
1347 mutex_init(&codec->control_mutex);
1348 mutex_init(&codec->hash_mutex);
1349 init_hda_cache(&codec->amp_cache, sizeof(struct hda_amp_info));
1350 init_hda_cache(&codec->cmd_cache, sizeof(struct hda_cache_head));
1351 snd_array_init(&codec->mixers, sizeof(struct hda_nid_item), 32);
1352 snd_array_init(&codec->nids, sizeof(struct hda_nid_item), 32);
1353 snd_array_init(&codec->init_pins, sizeof(struct hda_pincfg), 16);
1354 snd_array_init(&codec->driver_pins, sizeof(struct hda_pincfg), 16);
1355 snd_array_init(&codec->cvt_setups, sizeof(struct hda_cvt_setup), 8);
1356 snd_array_init(&codec->spdif_out, sizeof(struct hda_spdif_out), 16);
1357 snd_array_init(&codec->jacktbl, sizeof(struct hda_jack_tbl), 16);
1358 snd_array_init(&codec->verbs, sizeof(struct hda_verb *), 8);
1359 INIT_LIST_HEAD(&codec->conn_list);
1361 INIT_DELAYED_WORK(&codec->jackpoll_work, hda_jackpoll_work);
1364 spin_lock_init(&codec->power_lock);
1365 INIT_DELAYED_WORK(&codec->power_work, hda_power_work);
1366 /* snd_hda_codec_new() marks the codec as power-up, and leave it as is.
1367 * the caller has to power down appropriatley after initialization
1370 hda_keep_power_on(codec);
1371 hda_call_pm_notify(bus, true);
1374 if (codec->bus->modelname) {
1375 codec->modelname = kstrdup(codec->bus->modelname, GFP_KERNEL);
1376 if (!codec->modelname) {
1377 snd_hda_codec_free(codec);
1382 list_add_tail(&codec->list, &bus->codec_list);
1383 bus->caddr_tbl[codec_addr] = codec;
1385 codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT,
1387 if (codec->vendor_id == -1)
1388 /* read again, hopefully the access method was corrected
1389 * in the last read...
1391 codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT,
1393 codec->subsystem_id = snd_hda_param_read(codec, AC_NODE_ROOT,
1394 AC_PAR_SUBSYSTEM_ID);
1395 codec->revision_id = snd_hda_param_read(codec, AC_NODE_ROOT,
1398 setup_fg_nodes(codec);
1399 if (!codec->afg && !codec->mfg) {
1400 snd_printdd("hda_codec: no AFG or MFG node found\n");
1405 fg = codec->afg ? codec->afg : codec->mfg;
1406 err = read_widget_caps(codec, fg);
1408 snd_printk(KERN_ERR "hda_codec: cannot malloc\n");
1411 err = read_pin_defaults(codec);
1415 if (!codec->subsystem_id) {
1416 codec->subsystem_id =
1417 snd_hda_codec_read(codec, fg, 0,
1418 AC_VERB_GET_SUBSYSTEM_ID, 0);
1422 codec->d3_stop_clk = snd_hda_codec_get_supported_ps(codec, fg,
1424 if (!codec->d3_stop_clk)
1425 bus->power_keep_link_on = 1;
1427 codec->epss = snd_hda_codec_get_supported_ps(codec, fg,
1430 /* power-up all before initialization */
1431 hda_set_power_state(codec, AC_PWRST_D0);
1433 snd_hda_codec_proc_new(codec);
1435 snd_hda_create_hwdep(codec);
1437 sprintf(component, "HDA:%08x,%08x,%08x", codec->vendor_id,
1438 codec->subsystem_id, codec->revision_id);
1439 snd_component_add(codec->bus->card, component);
1446 snd_hda_codec_free(codec);
1449 EXPORT_SYMBOL_HDA(snd_hda_codec_new);
1451 int snd_hda_codec_update_widgets(struct hda_codec *codec)
1456 /* Assume the function group node does not change,
1457 * only the widget nodes may change.
1459 kfree(codec->wcaps);
1460 fg = codec->afg ? codec->afg : codec->mfg;
1461 err = read_widget_caps(codec, fg);
1463 snd_printk(KERN_ERR "hda_codec: cannot malloc\n");
1467 snd_array_free(&codec->init_pins);
1468 err = read_pin_defaults(codec);
1472 EXPORT_SYMBOL_HDA(snd_hda_codec_update_widgets);
1476 * snd_hda_codec_configure - (Re-)configure the HD-audio codec
1477 * @codec: the HDA codec
1479 * Start parsing of the given codec tree and (re-)initialize the whole
1482 * Returns 0 if successful or a negative error code.
1484 int snd_hda_codec_configure(struct hda_codec *codec)
1488 codec->preset = find_codec_preset(codec);
1489 if (!codec->vendor_name || !codec->chip_name) {
1490 err = get_codec_name(codec);
1495 if (is_generic_config(codec)) {
1496 err = snd_hda_parse_generic_codec(codec);
1499 if (codec->preset && codec->preset->patch) {
1500 err = codec->preset->patch(codec);
1504 /* call the default parser */
1505 err = snd_hda_parse_generic_codec(codec);
1507 printk(KERN_ERR "hda-codec: No codec parser is available\n");
1510 if (!err && codec->patch_ops.unsol_event)
1511 err = init_unsol_queue(codec->bus);
1512 /* audio codec should override the mixer name */
1513 if (!err && (codec->afg || !*codec->bus->card->mixername))
1514 snprintf(codec->bus->card->mixername,
1515 sizeof(codec->bus->card->mixername),
1516 "%s %s", codec->vendor_name, codec->chip_name);
1519 EXPORT_SYMBOL_HDA(snd_hda_codec_configure);
1521 /* update the stream-id if changed */
1522 static void update_pcm_stream_id(struct hda_codec *codec,
1523 struct hda_cvt_setup *p, hda_nid_t nid,
1524 u32 stream_tag, int channel_id)
1526 unsigned int oldval, newval;
1528 if (p->stream_tag != stream_tag || p->channel_id != channel_id) {
1529 oldval = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0);
1530 newval = (stream_tag << 4) | channel_id;
1531 if (oldval != newval)
1532 snd_hda_codec_write(codec, nid, 0,
1533 AC_VERB_SET_CHANNEL_STREAMID,
1535 p->stream_tag = stream_tag;
1536 p->channel_id = channel_id;
1540 /* update the format-id if changed */
1541 static void update_pcm_format(struct hda_codec *codec, struct hda_cvt_setup *p,
1542 hda_nid_t nid, int format)
1544 unsigned int oldval;
1546 if (p->format_id != format) {
1547 oldval = snd_hda_codec_read(codec, nid, 0,
1548 AC_VERB_GET_STREAM_FORMAT, 0);
1549 if (oldval != format) {
1551 snd_hda_codec_write(codec, nid, 0,
1552 AC_VERB_SET_STREAM_FORMAT,
1555 p->format_id = format;
1560 * snd_hda_codec_setup_stream - set up the codec for streaming
1561 * @codec: the CODEC to set up
1562 * @nid: the NID to set up
1563 * @stream_tag: stream tag to pass, it's between 0x1 and 0xf.
1564 * @channel_id: channel id to pass, zero based.
1565 * @format: stream format.
1567 void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
1569 int channel_id, int format)
1571 struct hda_codec *c;
1572 struct hda_cvt_setup *p;
1579 snd_printdd("hda_codec_setup_stream: "
1580 "NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
1581 nid, stream_tag, channel_id, format);
1582 p = get_hda_cvt_setup(codec, nid);
1583 if (!p || p->active)
1586 if (codec->pcm_format_first)
1587 update_pcm_format(codec, p, nid, format);
1588 update_pcm_stream_id(codec, p, nid, stream_tag, channel_id);
1589 if (!codec->pcm_format_first)
1590 update_pcm_format(codec, p, nid, format);
1595 /* make other inactive cvts with the same stream-tag dirty */
1596 type = get_wcaps_type(get_wcaps(codec, nid));
1597 list_for_each_entry(c, &codec->bus->codec_list, list) {
1598 for (i = 0; i < c->cvt_setups.used; i++) {
1599 p = snd_array_elem(&c->cvt_setups, i);
1600 if (!p->active && p->stream_tag == stream_tag &&
1601 get_wcaps_type(get_wcaps(c, p->nid)) == type)
1606 EXPORT_SYMBOL_HDA(snd_hda_codec_setup_stream);
1608 static void really_cleanup_stream(struct hda_codec *codec,
1609 struct hda_cvt_setup *q);
1612 * __snd_hda_codec_cleanup_stream - clean up the codec for closing
1613 * @codec: the CODEC to clean up
1614 * @nid: the NID to clean up
1615 * @do_now: really clean up the stream instead of clearing the active flag
1617 void __snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid,
1620 struct hda_cvt_setup *p;
1625 if (codec->no_sticky_stream)
1628 snd_printdd("hda_codec_cleanup_stream: NID=0x%x\n", nid);
1629 p = get_hda_cvt_setup(codec, nid);
1630 if (p && p->active) {
1631 /* here we just clear the active flag when do_now isn't set;
1632 * actual clean-ups will be done later in
1633 * purify_inactive_streams() called from snd_hda_codec_prpapre()
1636 really_cleanup_stream(codec, p);
1641 EXPORT_SYMBOL_HDA(__snd_hda_codec_cleanup_stream);
1643 static void really_cleanup_stream(struct hda_codec *codec,
1644 struct hda_cvt_setup *q)
1646 hda_nid_t nid = q->nid;
1647 if (q->stream_tag || q->channel_id)
1648 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID, 0);
1650 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, 0
1652 memset(q, 0, sizeof(*q));
1656 /* clean up the all conflicting obsolete streams */
1657 static void purify_inactive_streams(struct hda_codec *codec)
1659 struct hda_codec *c;
1662 list_for_each_entry(c, &codec->bus->codec_list, list) {
1663 for (i = 0; i < c->cvt_setups.used; i++) {
1664 struct hda_cvt_setup *p;
1665 p = snd_array_elem(&c->cvt_setups, i);
1667 really_cleanup_stream(c, p);
1673 /* clean up all streams; called from suspend */
1674 static void hda_cleanup_all_streams(struct hda_codec *codec)
1678 for (i = 0; i < codec->cvt_setups.used; i++) {
1679 struct hda_cvt_setup *p = snd_array_elem(&codec->cvt_setups, i);
1681 really_cleanup_stream(codec, p);
1687 * amp access functions
1690 /* FIXME: more better hash key? */
1691 #define HDA_HASH_KEY(nid, dir, idx) (u32)((nid) + ((idx) << 16) + ((dir) << 24))
1692 #define HDA_HASH_PINCAP_KEY(nid) (u32)((nid) + (0x02 << 24))
1693 #define HDA_HASH_PARPCM_KEY(nid) (u32)((nid) + (0x03 << 24))
1694 #define HDA_HASH_PARSTR_KEY(nid) (u32)((nid) + (0x04 << 24))
1695 #define INFO_AMP_CAPS (1<<0)
1696 #define INFO_AMP_VOL(ch) (1 << (1 + (ch)))
1698 /* initialize the hash table */
1699 static void init_hda_cache(struct hda_cache_rec *cache,
1700 unsigned int record_size)
1702 memset(cache, 0, sizeof(*cache));
1703 memset(cache->hash, 0xff, sizeof(cache->hash));
1704 snd_array_init(&cache->buf, record_size, 64);
1707 static void free_hda_cache(struct hda_cache_rec *cache)
1709 snd_array_free(&cache->buf);
1712 /* query the hash. allocate an entry if not found. */
1713 static struct hda_cache_head *get_hash(struct hda_cache_rec *cache, u32 key)
1715 u16 idx = key % (u16)ARRAY_SIZE(cache->hash);
1716 u16 cur = cache->hash[idx];
1717 struct hda_cache_head *info;
1719 while (cur != 0xffff) {
1720 info = snd_array_elem(&cache->buf, cur);
1721 if (info->key == key)
1728 /* query the hash. allocate an entry if not found. */
1729 static struct hda_cache_head *get_alloc_hash(struct hda_cache_rec *cache,
1732 struct hda_cache_head *info = get_hash(cache, key);
1735 /* add a new hash entry */
1736 info = snd_array_new(&cache->buf);
1739 cur = snd_array_index(&cache->buf, info);
1743 idx = key % (u16)ARRAY_SIZE(cache->hash);
1744 info->next = cache->hash[idx];
1745 cache->hash[idx] = cur;
1750 /* query and allocate an amp hash entry */
1751 static inline struct hda_amp_info *
1752 get_alloc_amp_hash(struct hda_codec *codec, u32 key)
1754 return (struct hda_amp_info *)get_alloc_hash(&codec->amp_cache, key);
1757 /* overwrite the value with the key in the caps hash */
1758 static int write_caps_hash(struct hda_codec *codec, u32 key, unsigned int val)
1760 struct hda_amp_info *info;
1762 mutex_lock(&codec->hash_mutex);
1763 info = get_alloc_amp_hash(codec, key);
1765 mutex_unlock(&codec->hash_mutex);
1768 info->amp_caps = val;
1769 info->head.val |= INFO_AMP_CAPS;
1770 mutex_unlock(&codec->hash_mutex);
1774 /* query the value from the caps hash; if not found, fetch the current
1775 * value from the given function and store in the hash
1778 query_caps_hash(struct hda_codec *codec, hda_nid_t nid, int dir, u32 key,
1779 unsigned int (*func)(struct hda_codec *, hda_nid_t, int))
1781 struct hda_amp_info *info;
1784 mutex_lock(&codec->hash_mutex);
1785 info = get_alloc_amp_hash(codec, key);
1787 mutex_unlock(&codec->hash_mutex);
1790 if (!(info->head.val & INFO_AMP_CAPS)) {
1791 mutex_unlock(&codec->hash_mutex); /* for reentrance */
1792 val = func(codec, nid, dir);
1793 write_caps_hash(codec, key, val);
1795 val = info->amp_caps;
1796 mutex_unlock(&codec->hash_mutex);
1801 static unsigned int read_amp_cap(struct hda_codec *codec, hda_nid_t nid,
1804 if (!(get_wcaps(codec, nid) & AC_WCAP_AMP_OVRD))
1806 return snd_hda_param_read(codec, nid,
1807 direction == HDA_OUTPUT ?
1808 AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP);
1812 * query_amp_caps - query AMP capabilities
1813 * @codec: the HD-auio codec
1814 * @nid: the NID to query
1815 * @direction: either #HDA_INPUT or #HDA_OUTPUT
1817 * Query AMP capabilities for the given widget and direction.
1818 * Returns the obtained capability bits.
1820 * When cap bits have been already read, this doesn't read again but
1821 * returns the cached value.
1823 u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction)
1825 return query_caps_hash(codec, nid, direction,
1826 HDA_HASH_KEY(nid, direction, 0),
1829 EXPORT_SYMBOL_HDA(query_amp_caps);
1832 * snd_hda_override_amp_caps - Override the AMP capabilities
1833 * @codec: the CODEC to clean up
1834 * @nid: the NID to clean up
1835 * @direction: either #HDA_INPUT or #HDA_OUTPUT
1836 * @caps: the capability bits to set
1838 * Override the cached AMP caps bits value by the given one.
1839 * This function is useful if the driver needs to adjust the AMP ranges,
1840 * e.g. limit to 0dB, etc.
1842 * Returns zero if successful or a negative error code.
1844 int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
1847 return write_caps_hash(codec, HDA_HASH_KEY(nid, dir, 0), caps);
1849 EXPORT_SYMBOL_HDA(snd_hda_override_amp_caps);
1851 static unsigned int read_pin_cap(struct hda_codec *codec, hda_nid_t nid,
1854 return snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
1858 * snd_hda_query_pin_caps - Query PIN capabilities
1859 * @codec: the HD-auio codec
1860 * @nid: the NID to query
1862 * Query PIN capabilities for the given widget.
1863 * Returns the obtained capability bits.
1865 * When cap bits have been already read, this doesn't read again but
1866 * returns the cached value.
1868 u32 snd_hda_query_pin_caps(struct hda_codec *codec, hda_nid_t nid)
1870 return query_caps_hash(codec, nid, 0, HDA_HASH_PINCAP_KEY(nid),
1873 EXPORT_SYMBOL_HDA(snd_hda_query_pin_caps);
1876 * snd_hda_override_pin_caps - Override the pin capabilities
1878 * @nid: the NID to override
1879 * @caps: the capability bits to set
1881 * Override the cached PIN capabilitiy bits value by the given one.
1883 * Returns zero if successful or a negative error code.
1885 int snd_hda_override_pin_caps(struct hda_codec *codec, hda_nid_t nid,
1888 return write_caps_hash(codec, HDA_HASH_PINCAP_KEY(nid), caps);
1890 EXPORT_SYMBOL_HDA(snd_hda_override_pin_caps);
1892 /* read or sync the hash value with the current value;
1893 * call within hash_mutex
1895 static struct hda_amp_info *
1896 update_amp_hash(struct hda_codec *codec, hda_nid_t nid, int ch,
1897 int direction, int index, bool init_only)
1899 struct hda_amp_info *info;
1900 unsigned int parm, val = 0;
1901 bool val_read = false;
1904 info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, index));
1907 if (!(info->head.val & INFO_AMP_VOL(ch))) {
1909 mutex_unlock(&codec->hash_mutex);
1910 parm = ch ? AC_AMP_GET_RIGHT : AC_AMP_GET_LEFT;
1911 parm |= direction == HDA_OUTPUT ?
1912 AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT;
1914 val = snd_hda_codec_read(codec, nid, 0,
1915 AC_VERB_GET_AMP_GAIN_MUTE, parm);
1918 mutex_lock(&codec->hash_mutex);
1921 info->vol[ch] = val;
1922 info->head.val |= INFO_AMP_VOL(ch);
1923 } else if (init_only)
1929 * write the current volume in info to the h/w
1931 static void put_vol_mute(struct hda_codec *codec, unsigned int amp_caps,
1932 hda_nid_t nid, int ch, int direction, int index,
1937 parm = ch ? AC_AMP_SET_RIGHT : AC_AMP_SET_LEFT;
1938 parm |= direction == HDA_OUTPUT ? AC_AMP_SET_OUTPUT : AC_AMP_SET_INPUT;
1939 parm |= index << AC_AMP_SET_INDEX_SHIFT;
1940 if ((val & HDA_AMP_MUTE) && !(amp_caps & AC_AMPCAP_MUTE) &&
1941 (amp_caps & AC_AMPCAP_MIN_MUTE))
1942 ; /* set the zero value as a fake mute */
1945 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE, parm);
1949 * snd_hda_codec_amp_read - Read AMP value
1950 * @codec: HD-audio codec
1951 * @nid: NID to read the AMP value
1952 * @ch: channel (left=0 or right=1)
1953 * @direction: #HDA_INPUT or #HDA_OUTPUT
1954 * @index: the index value (only for input direction)
1956 * Read AMP value. The volume is between 0 to 0x7f, 0x80 = mute bit.
1958 int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch,
1959 int direction, int index)
1961 struct hda_amp_info *info;
1962 unsigned int val = 0;
1964 mutex_lock(&codec->hash_mutex);
1965 info = update_amp_hash(codec, nid, ch, direction, index, false);
1967 val = info->vol[ch];
1968 mutex_unlock(&codec->hash_mutex);
1971 EXPORT_SYMBOL_HDA(snd_hda_codec_amp_read);
1973 static int codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch,
1974 int direction, int idx, int mask, int val,
1977 struct hda_amp_info *info;
1979 unsigned int cache_only;
1981 if (snd_BUG_ON(mask & ~0xff))
1985 mutex_lock(&codec->hash_mutex);
1986 info = update_amp_hash(codec, nid, ch, direction, idx, init_only);
1988 mutex_unlock(&codec->hash_mutex);
1991 val |= info->vol[ch] & ~mask;
1992 if (info->vol[ch] == val) {
1993 mutex_unlock(&codec->hash_mutex);
1996 info->vol[ch] = val;
1997 cache_only = info->head.dirty = codec->cached_write;
1998 caps = info->amp_caps;
1999 mutex_unlock(&codec->hash_mutex);
2001 put_vol_mute(codec, caps, nid, ch, direction, idx, val);
2006 * snd_hda_codec_amp_update - update the AMP value
2007 * @codec: HD-audio codec
2008 * @nid: NID to read the AMP value
2009 * @ch: channel (left=0 or right=1)
2010 * @direction: #HDA_INPUT or #HDA_OUTPUT
2011 * @idx: the index value (only for input direction)
2012 * @mask: bit mask to set
2013 * @val: the bits value to set
2015 * Update the AMP value with a bit mask.
2016 * Returns 0 if the value is unchanged, 1 if changed.
2018 int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch,
2019 int direction, int idx, int mask, int val)
2021 return codec_amp_update(codec, nid, ch, direction, idx, mask, val, false);
2023 EXPORT_SYMBOL_HDA(snd_hda_codec_amp_update);
2026 * snd_hda_codec_amp_stereo - update the AMP stereo values
2027 * @codec: HD-audio codec
2028 * @nid: NID to read the AMP value
2029 * @direction: #HDA_INPUT or #HDA_OUTPUT
2030 * @idx: the index value (only for input direction)
2031 * @mask: bit mask to set
2032 * @val: the bits value to set
2034 * Update the AMP values like snd_hda_codec_amp_update(), but for a
2035 * stereo widget with the same mask and value.
2037 int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid,
2038 int direction, int idx, int mask, int val)
2042 if (snd_BUG_ON(mask & ~0xff))
2044 for (ch = 0; ch < 2; ch++)
2045 ret |= snd_hda_codec_amp_update(codec, nid, ch, direction,
2049 EXPORT_SYMBOL_HDA(snd_hda_codec_amp_stereo);
2051 /* Works like snd_hda_codec_amp_update() but it writes the value only at
2052 * the first access. If the amp was already initialized / updated beforehand,
2053 * this does nothing.
2055 int snd_hda_codec_amp_init(struct hda_codec *codec, hda_nid_t nid, int ch,
2056 int dir, int idx, int mask, int val)
2058 return codec_amp_update(codec, nid, ch, dir, idx, mask, val, true);
2060 EXPORT_SYMBOL_HDA(snd_hda_codec_amp_init);
2062 int snd_hda_codec_amp_init_stereo(struct hda_codec *codec, hda_nid_t nid,
2063 int dir, int idx, int mask, int val)
2067 if (snd_BUG_ON(mask & ~0xff))
2069 for (ch = 0; ch < 2; ch++)
2070 ret |= snd_hda_codec_amp_init(codec, nid, ch, dir,
2074 EXPORT_SYMBOL_HDA(snd_hda_codec_amp_init_stereo);
2077 * snd_hda_codec_resume_amp - Resume all AMP commands from the cache
2078 * @codec: HD-audio codec
2080 * Resume the all amp commands from the cache.
2082 void snd_hda_codec_resume_amp(struct hda_codec *codec)
2086 mutex_lock(&codec->hash_mutex);
2087 codec->cached_write = 0;
2088 for (i = 0; i < codec->amp_cache.buf.used; i++) {
2089 struct hda_amp_info *buffer;
2092 unsigned int idx, dir, ch;
2093 struct hda_amp_info info;
2095 buffer = snd_array_elem(&codec->amp_cache.buf, i);
2096 if (!buffer->head.dirty)
2098 buffer->head.dirty = 0;
2100 key = info.head.key;
2104 idx = (key >> 16) & 0xff;
2105 dir = (key >> 24) & 0xff;
2106 for (ch = 0; ch < 2; ch++) {
2107 if (!(info.head.val & INFO_AMP_VOL(ch)))
2109 mutex_unlock(&codec->hash_mutex);
2110 put_vol_mute(codec, info.amp_caps, nid, ch, dir, idx,
2112 mutex_lock(&codec->hash_mutex);
2115 mutex_unlock(&codec->hash_mutex);
2117 EXPORT_SYMBOL_HDA(snd_hda_codec_resume_amp);
2119 static u32 get_amp_max_value(struct hda_codec *codec, hda_nid_t nid, int dir,
2122 u32 caps = query_amp_caps(codec, nid, dir);
2124 caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
2131 * snd_hda_mixer_amp_volume_info - Info callback for a standard AMP mixer
2133 * The control element is supposed to have the private_value field
2134 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2136 int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol,
2137 struct snd_ctl_elem_info *uinfo)
2139 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2140 u16 nid = get_amp_nid(kcontrol);
2141 u8 chs = get_amp_channels(kcontrol);
2142 int dir = get_amp_direction(kcontrol);
2143 unsigned int ofs = get_amp_offset(kcontrol);
2145 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2146 uinfo->count = chs == 3 ? 2 : 1;
2147 uinfo->value.integer.min = 0;
2148 uinfo->value.integer.max = get_amp_max_value(codec, nid, dir, ofs);
2149 if (!uinfo->value.integer.max) {
2150 printk(KERN_WARNING "hda_codec: "
2151 "num_steps = 0 for NID=0x%x (ctl = %s)\n", nid,
2157 EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_volume_info);
2160 static inline unsigned int
2161 read_amp_value(struct hda_codec *codec, hda_nid_t nid,
2162 int ch, int dir, int idx, unsigned int ofs)
2165 val = snd_hda_codec_amp_read(codec, nid, ch, dir, idx);
2166 val &= HDA_AMP_VOLMASK;
2175 update_amp_value(struct hda_codec *codec, hda_nid_t nid,
2176 int ch, int dir, int idx, unsigned int ofs,
2179 unsigned int maxval;
2183 /* ofs = 0: raw max value */
2184 maxval = get_amp_max_value(codec, nid, dir, 0);
2187 return snd_hda_codec_amp_update(codec, nid, ch, dir, idx,
2188 HDA_AMP_VOLMASK, val);
2192 * snd_hda_mixer_amp_volume_get - Get callback for a standard AMP mixer volume
2194 * The control element is supposed to have the private_value field
2195 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2197 int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol,
2198 struct snd_ctl_elem_value *ucontrol)
2200 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2201 hda_nid_t nid = get_amp_nid(kcontrol);
2202 int chs = get_amp_channels(kcontrol);
2203 int dir = get_amp_direction(kcontrol);
2204 int idx = get_amp_index(kcontrol);
2205 unsigned int ofs = get_amp_offset(kcontrol);
2206 long *valp = ucontrol->value.integer.value;
2209 *valp++ = read_amp_value(codec, nid, 0, dir, idx, ofs);
2211 *valp = read_amp_value(codec, nid, 1, dir, idx, ofs);
2214 EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_volume_get);
2217 * snd_hda_mixer_amp_volume_put - Put callback for a standard AMP mixer volume
2219 * The control element is supposed to have the private_value field
2220 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2222 int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
2223 struct snd_ctl_elem_value *ucontrol)
2225 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2226 hda_nid_t nid = get_amp_nid(kcontrol);
2227 int chs = get_amp_channels(kcontrol);
2228 int dir = get_amp_direction(kcontrol);
2229 int idx = get_amp_index(kcontrol);
2230 unsigned int ofs = get_amp_offset(kcontrol);
2231 long *valp = ucontrol->value.integer.value;
2234 snd_hda_power_up(codec);
2236 change = update_amp_value(codec, nid, 0, dir, idx, ofs, *valp);
2240 change |= update_amp_value(codec, nid, 1, dir, idx, ofs, *valp);
2241 snd_hda_power_down(codec);
2244 EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_volume_put);
2247 * snd_hda_mixer_amp_volume_put - TLV callback for a standard AMP mixer volume
2249 * The control element is supposed to have the private_value field
2250 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2252 int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag,
2253 unsigned int size, unsigned int __user *_tlv)
2255 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2256 hda_nid_t nid = get_amp_nid(kcontrol);
2257 int dir = get_amp_direction(kcontrol);
2258 unsigned int ofs = get_amp_offset(kcontrol);
2259 bool min_mute = get_amp_min_mute(kcontrol);
2260 u32 caps, val1, val2;
2262 if (size < 4 * sizeof(unsigned int))
2264 caps = query_amp_caps(codec, nid, dir);
2265 val2 = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
2266 val2 = (val2 + 1) * 25;
2267 val1 = -((caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT);
2269 val1 = ((int)val1) * ((int)val2);
2270 if (min_mute || (caps & AC_AMPCAP_MIN_MUTE))
2271 val2 |= TLV_DB_SCALE_MUTE;
2272 if (put_user(SNDRV_CTL_TLVT_DB_SCALE, _tlv))
2274 if (put_user(2 * sizeof(unsigned int), _tlv + 1))
2276 if (put_user(val1, _tlv + 2))
2278 if (put_user(val2, _tlv + 3))
2282 EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_tlv);
2285 * snd_hda_set_vmaster_tlv - Set TLV for a virtual master control
2286 * @codec: HD-audio codec
2287 * @nid: NID of a reference widget
2288 * @dir: #HDA_INPUT or #HDA_OUTPUT
2289 * @tlv: TLV data to be stored, at least 4 elements
2291 * Set (static) TLV data for a virtual master volume using the AMP caps
2292 * obtained from the reference NID.
2293 * The volume range is recalculated as if the max volume is 0dB.
2295 void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
2301 caps = query_amp_caps(codec, nid, dir);
2302 nums = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
2303 step = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
2304 step = (step + 1) * 25;
2305 tlv[0] = SNDRV_CTL_TLVT_DB_SCALE;
2306 tlv[1] = 2 * sizeof(unsigned int);
2307 tlv[2] = -nums * step;
2310 EXPORT_SYMBOL_HDA(snd_hda_set_vmaster_tlv);
2312 /* find a mixer control element with the given name */
2313 static struct snd_kcontrol *
2314 find_mixer_ctl(struct hda_codec *codec, const char *name, int dev, int idx)
2316 struct snd_ctl_elem_id id;
2317 memset(&id, 0, sizeof(id));
2318 id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
2321 if (snd_BUG_ON(strlen(name) >= sizeof(id.name)))
2323 strcpy(id.name, name);
2324 return snd_ctl_find_id(codec->bus->card, &id);
2328 * snd_hda_find_mixer_ctl - Find a mixer control element with the given name
2329 * @codec: HD-audio codec
2330 * @name: ctl id name string
2332 * Get the control element with the given id string and IFACE_MIXER.
2334 struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
2337 return find_mixer_ctl(codec, name, 0, 0);
2339 EXPORT_SYMBOL_HDA(snd_hda_find_mixer_ctl);
2341 static int find_empty_mixer_ctl_idx(struct hda_codec *codec, const char *name,
2345 /* 16 ctlrs should be large enough */
2346 for (i = 0, idx = start_idx; i < 16; i++, idx++) {
2347 if (!find_mixer_ctl(codec, name, 0, idx))
2354 * snd_hda_ctl_add - Add a control element and assign to the codec
2355 * @codec: HD-audio codec
2356 * @nid: corresponding NID (optional)
2357 * @kctl: the control element to assign
2359 * Add the given control element to an array inside the codec instance.
2360 * All control elements belonging to a codec are supposed to be added
2361 * by this function so that a proper clean-up works at the free or
2362 * reconfiguration time.
2364 * If non-zero @nid is passed, the NID is assigned to the control element.
2365 * The assignment is shown in the codec proc file.
2367 * snd_hda_ctl_add() checks the control subdev id field whether
2368 * #HDA_SUBDEV_NID_FLAG bit is set. If set (and @nid is zero), the lower
2369 * bits value is taken as the NID to assign. The #HDA_NID_ITEM_AMP bit
2370 * specifies if kctl->private_value is a HDA amplifier value.
2372 int snd_hda_ctl_add(struct hda_codec *codec, hda_nid_t nid,
2373 struct snd_kcontrol *kctl)
2376 unsigned short flags = 0;
2377 struct hda_nid_item *item;
2379 if (kctl->id.subdevice & HDA_SUBDEV_AMP_FLAG) {
2380 flags |= HDA_NID_ITEM_AMP;
2382 nid = get_amp_nid_(kctl->private_value);
2384 if ((kctl->id.subdevice & HDA_SUBDEV_NID_FLAG) != 0 && nid == 0)
2385 nid = kctl->id.subdevice & 0xffff;
2386 if (kctl->id.subdevice & (HDA_SUBDEV_NID_FLAG|HDA_SUBDEV_AMP_FLAG))
2387 kctl->id.subdevice = 0;
2388 err = snd_ctl_add(codec->bus->card, kctl);
2391 item = snd_array_new(&codec->mixers);
2396 item->flags = flags;
2399 EXPORT_SYMBOL_HDA(snd_hda_ctl_add);
2402 * snd_hda_add_nid - Assign a NID to a control element
2403 * @codec: HD-audio codec
2404 * @nid: corresponding NID (optional)
2405 * @kctl: the control element to assign
2406 * @index: index to kctl
2408 * Add the given control element to an array inside the codec instance.
2409 * This function is used when #snd_hda_ctl_add cannot be used for 1:1
2410 * NID:KCTL mapping - for example "Capture Source" selector.
2412 int snd_hda_add_nid(struct hda_codec *codec, struct snd_kcontrol *kctl,
2413 unsigned int index, hda_nid_t nid)
2415 struct hda_nid_item *item;
2418 item = snd_array_new(&codec->nids);
2422 item->index = index;
2426 printk(KERN_ERR "hda-codec: no NID for mapping control %s:%d:%d\n",
2427 kctl->id.name, kctl->id.index, index);
2430 EXPORT_SYMBOL_HDA(snd_hda_add_nid);
2433 * snd_hda_ctls_clear - Clear all controls assigned to the given codec
2434 * @codec: HD-audio codec
2436 void snd_hda_ctls_clear(struct hda_codec *codec)
2439 struct hda_nid_item *items = codec->mixers.list;
2440 for (i = 0; i < codec->mixers.used; i++)
2441 snd_ctl_remove(codec->bus->card, items[i].kctl);
2442 snd_array_free(&codec->mixers);
2443 snd_array_free(&codec->nids);
2446 /* pseudo device locking
2447 * toggle card->shutdown to allow/disallow the device access (as a hack)
2449 int snd_hda_lock_devices(struct hda_bus *bus)
2451 struct snd_card *card = bus->card;
2452 struct hda_codec *codec;
2454 spin_lock(&card->files_lock);
2458 if (!list_empty(&card->ctl_files))
2461 list_for_each_entry(codec, &bus->codec_list, list) {
2463 for (pcm = 0; pcm < codec->num_pcms; pcm++) {
2464 struct hda_pcm *cpcm = &codec->pcm_info[pcm];
2467 if (cpcm->pcm->streams[0].substream_opened ||
2468 cpcm->pcm->streams[1].substream_opened)
2472 spin_unlock(&card->files_lock);
2478 spin_unlock(&card->files_lock);
2481 EXPORT_SYMBOL_HDA(snd_hda_lock_devices);
2483 void snd_hda_unlock_devices(struct hda_bus *bus)
2485 struct snd_card *card = bus->card;
2488 spin_lock(&card->files_lock);
2490 spin_unlock(&card->files_lock);
2492 EXPORT_SYMBOL_HDA(snd_hda_unlock_devices);
2495 * snd_hda_codec_reset - Clear all objects assigned to the codec
2496 * @codec: HD-audio codec
2498 * This frees the all PCM and control elements assigned to the codec, and
2499 * clears the caches and restores the pin default configurations.
2501 * When a device is being used, it returns -EBSY. If successfully freed,
2504 int snd_hda_codec_reset(struct hda_codec *codec)
2506 struct hda_bus *bus = codec->bus;
2507 struct snd_card *card = bus->card;
2510 if (snd_hda_lock_devices(bus) < 0)
2513 /* OK, let it free */
2514 cancel_delayed_work_sync(&codec->jackpoll_work);
2516 cancel_delayed_work_sync(&codec->power_work);
2517 codec->power_on = 0;
2518 codec->power_transition = 0;
2519 codec->power_jiffies = jiffies;
2520 flush_workqueue(bus->workq);
2522 snd_hda_ctls_clear(codec);
2524 for (i = 0; i < codec->num_pcms; i++) {
2525 if (codec->pcm_info[i].pcm) {
2526 snd_device_free(card, codec->pcm_info[i].pcm);
2527 clear_bit(codec->pcm_info[i].device,
2531 if (codec->patch_ops.free)
2532 codec->patch_ops.free(codec);
2533 memset(&codec->patch_ops, 0, sizeof(codec->patch_ops));
2534 snd_hda_jack_tbl_clear(codec);
2535 codec->proc_widget_hook = NULL;
2537 free_hda_cache(&codec->amp_cache);
2538 free_hda_cache(&codec->cmd_cache);
2539 init_hda_cache(&codec->amp_cache, sizeof(struct hda_amp_info));
2540 init_hda_cache(&codec->cmd_cache, sizeof(struct hda_cache_head));
2541 /* free only driver_pins so that init_pins + user_pins are restored */
2542 snd_array_free(&codec->driver_pins);
2543 snd_array_free(&codec->cvt_setups);
2544 snd_array_free(&codec->spdif_out);
2545 snd_array_free(&codec->verbs);
2546 codec->num_pcms = 0;
2547 codec->pcm_info = NULL;
2548 codec->preset = NULL;
2549 codec->slave_dig_outs = NULL;
2550 codec->spdif_status_reset = 0;
2551 module_put(codec->owner);
2552 codec->owner = NULL;
2554 /* allow device access again */
2555 snd_hda_unlock_devices(bus);
2559 typedef int (*map_slave_func_t)(void *, struct snd_kcontrol *);
2561 /* apply the function to all matching slave ctls in the mixer list */
2562 static int map_slaves(struct hda_codec *codec, const char * const *slaves,
2563 const char *suffix, map_slave_func_t func, void *data)
2565 struct hda_nid_item *items;
2566 const char * const *s;
2569 items = codec->mixers.list;
2570 for (i = 0; i < codec->mixers.used; i++) {
2571 struct snd_kcontrol *sctl = items[i].kctl;
2572 if (!sctl || !sctl->id.name ||
2573 sctl->id.iface != SNDRV_CTL_ELEM_IFACE_MIXER)
2575 for (s = slaves; *s; s++) {
2576 char tmpname[sizeof(sctl->id.name)];
2577 const char *name = *s;
2579 snprintf(tmpname, sizeof(tmpname), "%s %s",
2583 if (!strcmp(sctl->id.name, name)) {
2584 err = func(data, sctl);
2594 static int check_slave_present(void *data, struct snd_kcontrol *sctl)
2599 /* guess the value corresponding to 0dB */
2600 static int get_kctl_0dB_offset(struct snd_kcontrol *kctl)
2603 const int *tlv = NULL;
2606 if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) {
2607 /* FIXME: set_fs() hack for obtaining user-space TLV data */
2608 mm_segment_t fs = get_fs();
2610 if (!kctl->tlv.c(kctl, 0, sizeof(_tlv), _tlv))
2613 } else if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_READ)
2615 if (tlv && tlv[0] == SNDRV_CTL_TLVT_DB_SCALE)
2616 val = -tlv[2] / tlv[3];
2620 /* call kctl->put with the given value(s) */
2621 static int put_kctl_with_value(struct snd_kcontrol *kctl, int val)
2623 struct snd_ctl_elem_value *ucontrol;
2624 ucontrol = kzalloc(sizeof(*ucontrol), GFP_KERNEL);
2627 ucontrol->value.integer.value[0] = val;
2628 ucontrol->value.integer.value[1] = val;
2629 kctl->put(kctl, ucontrol);
2634 /* initialize the slave volume with 0dB */
2635 static int init_slave_0dB(void *data, struct snd_kcontrol *slave)
2637 int offset = get_kctl_0dB_offset(slave);
2639 put_kctl_with_value(slave, offset);
2643 /* unmute the slave */
2644 static int init_slave_unmute(void *data, struct snd_kcontrol *slave)
2646 return put_kctl_with_value(slave, 1);
2650 * snd_hda_add_vmaster - create a virtual master control and add slaves
2651 * @codec: HD-audio codec
2652 * @name: vmaster control name
2653 * @tlv: TLV data (optional)
2654 * @slaves: slave control names (optional)
2655 * @suffix: suffix string to each slave name (optional)
2656 * @init_slave_vol: initialize slaves to unmute/0dB
2657 * @ctl_ret: store the vmaster kcontrol in return
2659 * Create a virtual master control with the given name. The TLV data
2660 * must be either NULL or a valid data.
2662 * @slaves is a NULL-terminated array of strings, each of which is a
2663 * slave control name. All controls with these names are assigned to
2664 * the new virtual master control.
2666 * This function returns zero if successful or a negative error code.
2668 int __snd_hda_add_vmaster(struct hda_codec *codec, char *name,
2669 unsigned int *tlv, const char * const *slaves,
2670 const char *suffix, bool init_slave_vol,
2671 struct snd_kcontrol **ctl_ret)
2673 struct snd_kcontrol *kctl;
2679 err = map_slaves(codec, slaves, suffix, check_slave_present, NULL);
2681 snd_printdd("No slave found for %s\n", name);
2684 kctl = snd_ctl_make_virtual_master(name, tlv);
2687 err = snd_hda_ctl_add(codec, 0, kctl);
2691 err = map_slaves(codec, slaves, suffix,
2692 (map_slave_func_t)snd_ctl_add_slave, kctl);
2696 /* init with master mute & zero volume */
2697 put_kctl_with_value(kctl, 0);
2699 map_slaves(codec, slaves, suffix,
2700 tlv ? init_slave_0dB : init_slave_unmute, kctl);
2706 EXPORT_SYMBOL_HDA(__snd_hda_add_vmaster);
2709 * mute-LED control using vmaster
2711 static int vmaster_mute_mode_info(struct snd_kcontrol *kcontrol,
2712 struct snd_ctl_elem_info *uinfo)
2714 static const char * const texts[] = {
2715 "On", "Off", "Follow Master"
2719 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2721 uinfo->value.enumerated.items = 3;
2722 index = uinfo->value.enumerated.item;
2725 strcpy(uinfo->value.enumerated.name, texts[index]);
2729 static int vmaster_mute_mode_get(struct snd_kcontrol *kcontrol,
2730 struct snd_ctl_elem_value *ucontrol)
2732 struct hda_vmaster_mute_hook *hook = snd_kcontrol_chip(kcontrol);
2733 ucontrol->value.enumerated.item[0] = hook->mute_mode;
2737 static int vmaster_mute_mode_put(struct snd_kcontrol *kcontrol,
2738 struct snd_ctl_elem_value *ucontrol)
2740 struct hda_vmaster_mute_hook *hook = snd_kcontrol_chip(kcontrol);
2741 unsigned int old_mode = hook->mute_mode;
2743 hook->mute_mode = ucontrol->value.enumerated.item[0];
2744 if (hook->mute_mode > HDA_VMUTE_FOLLOW_MASTER)
2745 hook->mute_mode = HDA_VMUTE_FOLLOW_MASTER;
2746 if (old_mode == hook->mute_mode)
2748 snd_hda_sync_vmaster_hook(hook);
2752 static struct snd_kcontrol_new vmaster_mute_mode = {
2753 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2754 .name = "Mute-LED Mode",
2755 .info = vmaster_mute_mode_info,
2756 .get = vmaster_mute_mode_get,
2757 .put = vmaster_mute_mode_put,
2761 * Add a mute-LED hook with the given vmaster switch kctl
2762 * "Mute-LED Mode" control is automatically created and associated with
2765 int snd_hda_add_vmaster_hook(struct hda_codec *codec,
2766 struct hda_vmaster_mute_hook *hook,
2767 bool expose_enum_ctl)
2769 struct snd_kcontrol *kctl;
2771 if (!hook->hook || !hook->sw_kctl)
2773 snd_ctl_add_vmaster_hook(hook->sw_kctl, hook->hook, codec);
2774 hook->codec = codec;
2775 hook->mute_mode = HDA_VMUTE_FOLLOW_MASTER;
2776 if (!expose_enum_ctl)
2778 kctl = snd_ctl_new1(&vmaster_mute_mode, hook);
2781 return snd_hda_ctl_add(codec, 0, kctl);
2783 EXPORT_SYMBOL_HDA(snd_hda_add_vmaster_hook);
2786 * Call the hook with the current value for synchronization
2787 * Should be called in init callback
2789 void snd_hda_sync_vmaster_hook(struct hda_vmaster_mute_hook *hook)
2791 if (!hook->hook || !hook->codec)
2793 /* don't call vmaster hook in the destructor since it might have
2794 * been already destroyed
2796 if (hook->codec->bus->shutdown)
2798 switch (hook->mute_mode) {
2799 case HDA_VMUTE_FOLLOW_MASTER:
2800 snd_ctl_sync_vmaster_hook(hook->sw_kctl);
2803 hook->hook(hook->codec, hook->mute_mode);
2807 EXPORT_SYMBOL_HDA(snd_hda_sync_vmaster_hook);
2811 * snd_hda_mixer_amp_switch_info - Info callback for a standard AMP mixer switch
2813 * The control element is supposed to have the private_value field
2814 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2816 int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol,
2817 struct snd_ctl_elem_info *uinfo)
2819 int chs = get_amp_channels(kcontrol);
2821 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
2822 uinfo->count = chs == 3 ? 2 : 1;
2823 uinfo->value.integer.min = 0;
2824 uinfo->value.integer.max = 1;
2827 EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_switch_info);
2830 * snd_hda_mixer_amp_switch_get - Get callback for a standard AMP mixer switch
2832 * The control element is supposed to have the private_value field
2833 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2835 int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol,
2836 struct snd_ctl_elem_value *ucontrol)
2838 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2839 hda_nid_t nid = get_amp_nid(kcontrol);
2840 int chs = get_amp_channels(kcontrol);
2841 int dir = get_amp_direction(kcontrol);
2842 int idx = get_amp_index(kcontrol);
2843 long *valp = ucontrol->value.integer.value;
2846 *valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) &
2847 HDA_AMP_MUTE) ? 0 : 1;
2849 *valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) &
2850 HDA_AMP_MUTE) ? 0 : 1;
2853 EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_switch_get);
2856 * snd_hda_mixer_amp_switch_put - Put callback for a standard AMP mixer switch
2858 * The control element is supposed to have the private_value field
2859 * set up via HDA_COMPOSE_AMP_VAL*() or related macros.
2861 int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
2862 struct snd_ctl_elem_value *ucontrol)
2864 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2865 hda_nid_t nid = get_amp_nid(kcontrol);
2866 int chs = get_amp_channels(kcontrol);
2867 int dir = get_amp_direction(kcontrol);
2868 int idx = get_amp_index(kcontrol);
2869 long *valp = ucontrol->value.integer.value;
2872 snd_hda_power_up(codec);
2874 change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
2876 *valp ? 0 : HDA_AMP_MUTE);
2880 change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
2882 *valp ? 0 : HDA_AMP_MUTE);
2883 hda_call_check_power_status(codec, nid);
2884 snd_hda_power_down(codec);
2887 EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_switch_put);
2890 * bound volume controls
2892 * bind multiple volumes (# indices, from 0)
2895 #define AMP_VAL_IDX_SHIFT 19
2896 #define AMP_VAL_IDX_MASK (0x0f<<19)
2899 * snd_hda_mixer_bind_switch_get - Get callback for a bound volume control
2901 * The control element is supposed to have the private_value field
2902 * set up via HDA_BIND_MUTE*() macros.
2904 int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol,
2905 struct snd_ctl_elem_value *ucontrol)
2907 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2911 mutex_lock(&codec->control_mutex);
2912 pval = kcontrol->private_value;
2913 kcontrol->private_value = pval & ~AMP_VAL_IDX_MASK; /* index 0 */
2914 err = snd_hda_mixer_amp_switch_get(kcontrol, ucontrol);
2915 kcontrol->private_value = pval;
2916 mutex_unlock(&codec->control_mutex);
2919 EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_switch_get);
2922 * snd_hda_mixer_bind_switch_put - Put callback for a bound volume control
2924 * The control element is supposed to have the private_value field
2925 * set up via HDA_BIND_MUTE*() macros.
2927 int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol,
2928 struct snd_ctl_elem_value *ucontrol)
2930 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2932 int i, indices, err = 0, change = 0;
2934 mutex_lock(&codec->control_mutex);
2935 pval = kcontrol->private_value;
2936 indices = (pval & AMP_VAL_IDX_MASK) >> AMP_VAL_IDX_SHIFT;
2937 for (i = 0; i < indices; i++) {
2938 kcontrol->private_value = (pval & ~AMP_VAL_IDX_MASK) |
2939 (i << AMP_VAL_IDX_SHIFT);
2940 err = snd_hda_mixer_amp_switch_put(kcontrol, ucontrol);
2945 kcontrol->private_value = pval;
2946 mutex_unlock(&codec->control_mutex);
2947 return err < 0 ? err : change;
2949 EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_switch_put);
2952 * snd_hda_mixer_bind_ctls_info - Info callback for a generic bound control
2954 * The control element is supposed to have the private_value field
2955 * set up via HDA_BIND_VOL() or HDA_BIND_SW() macros.
2957 int snd_hda_mixer_bind_ctls_info(struct snd_kcontrol *kcontrol,
2958 struct snd_ctl_elem_info *uinfo)
2960 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2961 struct hda_bind_ctls *c;
2964 mutex_lock(&codec->control_mutex);
2965 c = (struct hda_bind_ctls *)kcontrol->private_value;
2966 kcontrol->private_value = *c->values;
2967 err = c->ops->info(kcontrol, uinfo);
2968 kcontrol->private_value = (long)c;
2969 mutex_unlock(&codec->control_mutex);
2972 EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_ctls_info);
2975 * snd_hda_mixer_bind_ctls_get - Get callback for a generic bound control
2977 * The control element is supposed to have the private_value field
2978 * set up via HDA_BIND_VOL() or HDA_BIND_SW() macros.
2980 int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol,
2981 struct snd_ctl_elem_value *ucontrol)
2983 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
2984 struct hda_bind_ctls *c;
2987 mutex_lock(&codec->control_mutex);
2988 c = (struct hda_bind_ctls *)kcontrol->private_value;
2989 kcontrol->private_value = *c->values;
2990 err = c->ops->get(kcontrol, ucontrol);
2991 kcontrol->private_value = (long)c;
2992 mutex_unlock(&codec->control_mutex);
2995 EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_ctls_get);
2998 * snd_hda_mixer_bind_ctls_put - Put callback for a generic bound control
3000 * The control element is supposed to have the private_value field
3001 * set up via HDA_BIND_VOL() or HDA_BIND_SW() macros.
3003 int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol,
3004 struct snd_ctl_elem_value *ucontrol)
3006 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
3007 struct hda_bind_ctls *c;
3008 unsigned long *vals;
3009 int err = 0, change = 0;
3011 mutex_lock(&codec->control_mutex);
3012 c = (struct hda_bind_ctls *)kcontrol->private_value;
3013 for (vals = c->values; *vals; vals++) {
3014 kcontrol->private_value = *vals;
3015 err = c->ops->put(kcontrol, ucontrol);
3020 kcontrol->private_value = (long)c;
3021 mutex_unlock(&codec->control_mutex);
3022 return err < 0 ? err : change;
3024 EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_ctls_put);
3027 * snd_hda_mixer_bind_tlv - TLV callback for a generic bound control
3029 * The control element is supposed to have the private_value field
3030 * set up via HDA_BIND_VOL() macro.
3032 int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag,
3033 unsigned int size, unsigned int __user *tlv)
3035 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
3036 struct hda_bind_ctls *c;
3039 mutex_lock(&codec->control_mutex);
3040 c = (struct hda_bind_ctls *)kcontrol->private_value;
3041 kcontrol->private_value = *c->values;
3042 err = c->ops->tlv(kcontrol, op_flag, size, tlv);
3043 kcontrol->private_value = (long)c;
3044 mutex_unlock(&codec->control_mutex);
3047 EXPORT_SYMBOL_HDA(snd_hda_mixer_bind_tlv);
3049 struct hda_ctl_ops snd_hda_bind_vol = {
3050 .info = snd_hda_mixer_amp_volume_info,
3051 .get = snd_hda_mixer_amp_volume_get,
3052 .put = snd_hda_mixer_amp_volume_put,
3053 .tlv = snd_hda_mixer_amp_tlv
3055 EXPORT_SYMBOL_HDA(snd_hda_bind_vol);
3057 struct hda_ctl_ops snd_hda_bind_sw = {
3058 .info = snd_hda_mixer_amp_switch_info,
3059 .get = snd_hda_mixer_amp_switch_get,
3060 .put = snd_hda_mixer_amp_switch_put,
3061 .tlv = snd_hda_mixer_amp_tlv
3063 EXPORT_SYMBOL_HDA(snd_hda_bind_sw);
3066 * SPDIF out controls
3069 static int snd_hda_spdif_mask_info(struct snd_kcontrol *kcontrol,
3070 struct snd_ctl_elem_info *uinfo)
3072 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
3077 static int snd_hda_spdif_cmask_get(struct snd_kcontrol *kcontrol,
3078 struct snd_ctl_elem_value *ucontrol)
3080 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
3081 IEC958_AES0_NONAUDIO |
3082 IEC958_AES0_CON_EMPHASIS_5015 |
3083 IEC958_AES0_CON_NOT_COPYRIGHT;
3084 ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY |
3085 IEC958_AES1_CON_ORIGINAL;
3089 static int snd_hda_spdif_pmask_get(struct snd_kcontrol *kcontrol,
3090 struct snd_ctl_elem_value *ucontrol)
3092 ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL |
3093 IEC958_AES0_NONAUDIO |
3094 IEC958_AES0_PRO_EMPHASIS_5015;
3098 static int snd_hda_spdif_default_get(struct snd_kcontrol *kcontrol,
3099 struct snd_ctl_elem_value *ucontrol)
3101 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
3102 int idx = kcontrol->private_value;
3103 struct hda_spdif_out *spdif;
3105 mutex_lock(&codec->spdif_mutex);
3106 spdif = snd_array_elem(&codec->spdif_out, idx);
3107 ucontrol->value.iec958.status[0] = spdif->status & 0xff;
3108 ucontrol->value.iec958.status[1] = (spdif->status >> 8) & 0xff;
3109 ucontrol->value.iec958.status[2] = (spdif->status >> 16) & 0xff;
3110 ucontrol->value.iec958.status[3] = (spdif->status >> 24) & 0xff;
3111 mutex_unlock(&codec->spdif_mutex);
3116 /* convert from SPDIF status bits to HDA SPDIF bits
3117 * bit 0 (DigEn) is always set zero (to be filled later)
3119 static unsigned short convert_from_spdif_status(unsigned int sbits)
3121 unsigned short val = 0;
3123 if (sbits & IEC958_AES0_PROFESSIONAL)
3124 val |= AC_DIG1_PROFESSIONAL;
3125 if (sbits & IEC958_AES0_NONAUDIO)
3126 val |= AC_DIG1_NONAUDIO;
3127 if (sbits & IEC958_AES0_PROFESSIONAL) {
3128 if ((sbits & IEC958_AES0_PRO_EMPHASIS) ==
3129 IEC958_AES0_PRO_EMPHASIS_5015)
3130 val |= AC_DIG1_EMPHASIS;
3132 if ((sbits & IEC958_AES0_CON_EMPHASIS) ==
3133 IEC958_AES0_CON_EMPHASIS_5015)
3134 val |= AC_DIG1_EMPHASIS;
3135 if (!(sbits & IEC958_AES0_CON_NOT_COPYRIGHT))
3136 val |= AC_DIG1_COPYRIGHT;
3137 if (sbits & (IEC958_AES1_CON_ORIGINAL << 8))
3138 val |= AC_DIG1_LEVEL;
3139 val |= sbits & (IEC958_AES1_CON_CATEGORY << 8);
3144 /* convert to SPDIF status bits from HDA SPDIF bits
3146 static unsigned int convert_to_spdif_status(unsigned short val)
3148 unsigned int sbits = 0;
3150 if (val & AC_DIG1_NONAUDIO)
3151 sbits |= IEC958_AES0_NONAUDIO;
3152 if (val & AC_DIG1_PROFESSIONAL)
3153 sbits |= IEC958_AES0_PROFESSIONAL;
3154 if (sbits & IEC958_AES0_PROFESSIONAL) {
3155 if (val & AC_DIG1_EMPHASIS)
3156 sbits |= IEC958_AES0_PRO_EMPHASIS_5015;
3158 if (val & AC_DIG1_EMPHASIS)
3159 sbits |= IEC958_AES0_CON_EMPHASIS_5015;
3160 if (!(val & AC_DIG1_COPYRIGHT))
3161 sbits |= IEC958_AES0_CON_NOT_COPYRIGHT;
3162 if (val & AC_DIG1_LEVEL)
3163 sbits |= (IEC958_AES1_CON_ORIGINAL << 8);
3164 sbits |= val & (0x7f << 8);
3169 /* set digital convert verbs both for the given NID and its slaves */
3170 static void set_dig_out(struct hda_codec *codec, hda_nid_t nid,
3175 snd_hda_codec_write_cache(codec, nid, 0, verb, val);
3176 d = codec->slave_dig_outs;
3180 snd_hda_codec_write_cache(codec, *d, 0, verb, val);
3183 static inline void set_dig_out_convert(struct hda_codec *codec, hda_nid_t nid,
3187 set_dig_out(codec, nid, AC_VERB_SET_DIGI_CONVERT_1, dig1);
3189 set_dig_out(codec, nid, AC_VERB_SET_DIGI_CONVERT_2, dig2);
3192 static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol,
3193 struct snd_ctl_elem_value *ucontrol)
3195 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
3196 int idx = kcontrol->private_value;
3197 struct hda_spdif_out *spdif;
3202 mutex_lock(&codec->spdif_mutex);
3203 spdif = snd_array_elem(&codec->spdif_out, idx);
3205 spdif->status = ucontrol->value.iec958.status[0] |
3206 ((unsigned int)ucontrol->value.iec958.status[1] << 8) |
3207 ((unsigned int)ucontrol->value.iec958.status[2] << 16) |
3208 ((unsigned int)ucontrol->value.iec958.status[3] << 24);
3209 val = convert_from_spdif_status(spdif->status);
3210 val |= spdif->ctls & 1;
3211 change = spdif->ctls != val;
3213 if (change && nid != (u16)-1)
3214 set_dig_out_convert(codec, nid, val & 0xff, (val >> 8) & 0xff);
3215 mutex_unlock(&codec->spdif_mutex);
3219 #define snd_hda_spdif_out_switch_info snd_ctl_boolean_mono_info
3221 static int snd_hda_spdif_out_switch_get(struct snd_kcontrol *kcontrol,
3222 struct snd_ctl_elem_value *ucontrol)
3224 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
3225 int idx = kcontrol->private_value;
3226 struct hda_spdif_out *spdif;
3228 mutex_lock(&codec->spdif_mutex);
3229 spdif = snd_array_elem(&codec->spdif_out, idx);
3230 ucontrol->value.integer.value[0] = spdif->ctls & AC_DIG1_ENABLE;
3231 mutex_unlock(&codec->spdif_mutex);
3235 static inline void set_spdif_ctls(struct hda_codec *codec, hda_nid_t nid,
3238 set_dig_out_convert(codec, nid, dig1, dig2);
3239 /* unmute amp switch (if any) */
3240 if ((get_wcaps(codec, nid) & AC_WCAP_OUT_AMP) &&
3241 (dig1 & AC_DIG1_ENABLE))
3242 snd_hda_codec_amp_stereo(codec, nid, HDA_OUTPUT, 0,
3246 static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol,
3247 struct snd_ctl_elem_value *ucontrol)
3249 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
3250 int idx = kcontrol->private_value;
3251 struct hda_spdif_out *spdif;
3256 mutex_lock(&codec->spdif_mutex);
3257 spdif = snd_array_elem(&codec->spdif_out, idx);
3259 val = spdif->ctls & ~AC_DIG1_ENABLE;
3260 if (ucontrol->value.integer.value[0])
3261 val |= AC_DIG1_ENABLE;
3262 change = spdif->ctls != val;
3264 if (change && nid != (u16)-1)
3265 set_spdif_ctls(codec, nid, val & 0xff, -1);
3266 mutex_unlock(&codec->spdif_mutex);
3270 static struct snd_kcontrol_new dig_mixes[] = {
3272 .access = SNDRV_CTL_ELEM_ACCESS_READ,
3273 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3274 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
3275 .info = snd_hda_spdif_mask_info,
3276 .get = snd_hda_spdif_cmask_get,
3279 .access = SNDRV_CTL_ELEM_ACCESS_READ,
3280 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3281 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PRO_MASK),
3282 .info = snd_hda_spdif_mask_info,
3283 .get = snd_hda_spdif_pmask_get,
3286 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3287 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
3288 .info = snd_hda_spdif_mask_info,
3289 .get = snd_hda_spdif_default_get,
3290 .put = snd_hda_spdif_default_put,
3293 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3294 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH),
3295 .info = snd_hda_spdif_out_switch_info,
3296 .get = snd_hda_spdif_out_switch_get,
3297 .put = snd_hda_spdif_out_switch_put,
3303 * snd_hda_create_dig_out_ctls - create Output SPDIF-related controls
3304 * @codec: the HDA codec
3305 * @associated_nid: NID that new ctls associated with
3306 * @cvt_nid: converter NID
3307 * @type: HDA_PCM_TYPE_*
3308 * Creates controls related with the digital output.
3309 * Called from each patch supporting the digital out.
3311 * Returns 0 if successful, or a negative error code.
3313 int snd_hda_create_dig_out_ctls(struct hda_codec *codec,
3314 hda_nid_t associated_nid,
3319 struct snd_kcontrol *kctl;
3320 struct snd_kcontrol_new *dig_mix;
3322 const int spdif_index = 16;
3323 struct hda_spdif_out *spdif;
3324 struct hda_bus *bus = codec->bus;
3326 if (bus->primary_dig_out_type == HDA_PCM_TYPE_HDMI &&
3327 type == HDA_PCM_TYPE_SPDIF) {
3329 } else if (bus->primary_dig_out_type == HDA_PCM_TYPE_SPDIF &&
3330 type == HDA_PCM_TYPE_HDMI) {
3331 /* suppose a single SPDIF device */
3332 for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
3333 kctl = find_mixer_ctl(codec, dig_mix->name, 0, 0);
3336 kctl->id.index = spdif_index;
3338 bus->primary_dig_out_type = HDA_PCM_TYPE_HDMI;
3340 if (!bus->primary_dig_out_type)
3341 bus->primary_dig_out_type = type;
3343 idx = find_empty_mixer_ctl_idx(codec, "IEC958 Playback Switch", idx);
3345 printk(KERN_ERR "hda_codec: too many IEC958 outputs\n");
3348 spdif = snd_array_new(&codec->spdif_out);
3351 for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
3352 kctl = snd_ctl_new1(dig_mix, codec);
3355 kctl->id.index = idx;
3356 kctl->private_value = codec->spdif_out.used - 1;
3357 err = snd_hda_ctl_add(codec, associated_nid, kctl);
3361 spdif->nid = cvt_nid;
3362 spdif->ctls = snd_hda_codec_read(codec, cvt_nid, 0,
3363 AC_VERB_GET_DIGI_CONVERT_1, 0);
3364 spdif->status = convert_to_spdif_status(spdif->ctls);
3367 EXPORT_SYMBOL_HDA(snd_hda_create_dig_out_ctls);
3369 /* get the hda_spdif_out entry from the given NID
3370 * call within spdif_mutex lock
3372 struct hda_spdif_out *snd_hda_spdif_out_of_nid(struct hda_codec *codec,
3376 for (i = 0; i < codec->spdif_out.used; i++) {
3377 struct hda_spdif_out *spdif =
3378 snd_array_elem(&codec->spdif_out, i);
3379 if (spdif->nid == nid)
3384 EXPORT_SYMBOL_HDA(snd_hda_spdif_out_of_nid);
3386 void snd_hda_spdif_ctls_unassign(struct hda_codec *codec, int idx)
3388 struct hda_spdif_out *spdif;
3390 mutex_lock(&codec->spdif_mutex);
3391 spdif = snd_array_elem(&codec->spdif_out, idx);
3392 spdif->nid = (u16)-1;
3393 mutex_unlock(&codec->spdif_mutex);
3395 EXPORT_SYMBOL_HDA(snd_hda_spdif_ctls_unassign);
3397 void snd_hda_spdif_ctls_assign(struct hda_codec *codec, int idx, hda_nid_t nid)
3399 struct hda_spdif_out *spdif;
3402 mutex_lock(&codec->spdif_mutex);
3403 spdif = snd_array_elem(&codec->spdif_out, idx);
3404 if (spdif->nid != nid) {
3407 set_spdif_ctls(codec, nid, val & 0xff, (val >> 8) & 0xff);
3409 mutex_unlock(&codec->spdif_mutex);
3411 EXPORT_SYMBOL_HDA(snd_hda_spdif_ctls_assign);
3414 * SPDIF sharing with analog output
3416 static int spdif_share_sw_get(struct snd_kcontrol *kcontrol,
3417 struct snd_ctl_elem_value *ucontrol)
3419 struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
3420 ucontrol->value.integer.value[0] = mout->share_spdif;
3424 static int spdif_share_sw_put(struct snd_kcontrol *kcontrol,
3425 struct snd_ctl_elem_value *ucontrol)
3427 struct hda_multi_out *mout = snd_kcontrol_chip(kcontrol);
3428 mout->share_spdif = !!ucontrol->value.integer.value[0];
3432 static struct snd_kcontrol_new spdif_share_sw = {
3433 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3434 .name = "IEC958 Default PCM Playback Switch",
3435 .info = snd_ctl_boolean_mono_info,
3436 .get = spdif_share_sw_get,
3437 .put = spdif_share_sw_put,
3441 * snd_hda_create_spdif_share_sw - create Default PCM switch
3442 * @codec: the HDA codec
3443 * @mout: multi-out instance
3445 int snd_hda_create_spdif_share_sw(struct hda_codec *codec,
3446 struct hda_multi_out *mout)
3448 struct snd_kcontrol *kctl;
3450 if (!mout->dig_out_nid)
3453 kctl = snd_ctl_new1(&spdif_share_sw, mout);
3456 /* ATTENTION: here mout is passed as private_data, instead of codec */
3457 return snd_hda_ctl_add(codec, mout->dig_out_nid, kctl);
3459 EXPORT_SYMBOL_HDA(snd_hda_create_spdif_share_sw);
3465 #define snd_hda_spdif_in_switch_info snd_hda_spdif_out_switch_info
3467 static int snd_hda_spdif_in_switch_get(struct snd_kcontrol *kcontrol,
3468 struct snd_ctl_elem_value *ucontrol)
3470 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
3472 ucontrol->value.integer.value[0] = codec->spdif_in_enable;
3476 static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol,
3477 struct snd_ctl_elem_value *ucontrol)
3479 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
3480 hda_nid_t nid = kcontrol->private_value;
3481 unsigned int val = !!ucontrol->value.integer.value[0];
3484 mutex_lock(&codec->spdif_mutex);
3485 change = codec->spdif_in_enable != val;
3487 codec->spdif_in_enable = val;
3488 snd_hda_codec_write_cache(codec, nid, 0,
3489 AC_VERB_SET_DIGI_CONVERT_1, val);
3491 mutex_unlock(&codec->spdif_mutex);
3495 static int snd_hda_spdif_in_status_get(struct snd_kcontrol *kcontrol,
3496 struct snd_ctl_elem_value *ucontrol)
3498 struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
3499 hda_nid_t nid = kcontrol->private_value;
3503 val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT_1, 0);
3504 sbits = convert_to_spdif_status(val);
3505 ucontrol->value.iec958.status[0] = sbits;
3506 ucontrol->value.iec958.status[1] = sbits >> 8;
3507 ucontrol->value.iec958.status[2] = sbits >> 16;
3508 ucontrol->value.iec958.status[3] = sbits >> 24;
3512 static struct snd_kcontrol_new dig_in_ctls[] = {
3514 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3515 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, SWITCH),
3516 .info = snd_hda_spdif_in_switch_info,
3517 .get = snd_hda_spdif_in_switch_get,
3518 .put = snd_hda_spdif_in_switch_put,
3521 .access = SNDRV_CTL_ELEM_ACCESS_READ,
3522 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
3523 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
3524 .info = snd_hda_spdif_mask_info,
3525 .get = snd_hda_spdif_in_status_get,
3531 * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls
3532 * @codec: the HDA codec
3533 * @nid: audio in widget NID
3535 * Creates controls related with the SPDIF input.
3536 * Called from each patch supporting the SPDIF in.
3538 * Returns 0 if successful, or a negative error code.
3540 int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid)
3543 struct snd_kcontrol *kctl;
3544 struct snd_kcontrol_new *dig_mix;
3547 idx = find_empty_mixer_ctl_idx(codec, "IEC958 Capture Switch", 0);
3549 printk(KERN_ERR "hda_codec: too many IEC958 inputs\n");
3552 for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) {
3553 kctl = snd_ctl_new1(dig_mix, codec);
3556 kctl->private_value = nid;
3557 err = snd_hda_ctl_add(codec, nid, kctl);
3561 codec->spdif_in_enable =
3562 snd_hda_codec_read(codec, nid, 0,
3563 AC_VERB_GET_DIGI_CONVERT_1, 0) &
3567 EXPORT_SYMBOL_HDA(snd_hda_create_spdif_in_ctls);
3573 /* build a 31bit cache key with the widget id and the command parameter */
3574 #define build_cmd_cache_key(nid, verb) ((verb << 8) | nid)
3575 #define get_cmd_cache_nid(key) ((key) & 0xff)
3576 #define get_cmd_cache_cmd(key) (((key) >> 8) & 0xffff)
3579 * snd_hda_codec_write_cache - send a single command with caching
3580 * @codec: the HDA codec
3581 * @nid: NID to send the command
3582 * @direct: direct flag
3583 * @verb: the verb to send
3584 * @parm: the parameter for the verb
3586 * Send a single command without waiting for response.
3588 * Returns 0 if successful, or a negative error code.
3590 int snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid,
3591 int direct, unsigned int verb, unsigned int parm)
3594 struct hda_cache_head *c;
3596 unsigned int cache_only;
3598 cache_only = codec->cached_write;
3600 err = snd_hda_codec_write(codec, nid, direct, verb, parm);
3605 /* parm may contain the verb stuff for get/set amp */
3606 verb = verb | (parm >> 8);
3608 key = build_cmd_cache_key(nid, verb);
3609 mutex_lock(&codec->bus->cmd_mutex);
3610 c = get_alloc_hash(&codec->cmd_cache, key);
3613 c->dirty = cache_only;
3615 mutex_unlock(&codec->bus->cmd_mutex);
3618 EXPORT_SYMBOL_HDA(snd_hda_codec_write_cache);
3621 * snd_hda_codec_update_cache - check cache and write the cmd only when needed
3622 * @codec: the HDA codec
3623 * @nid: NID to send the command
3624 * @direct: direct flag
3625 * @verb: the verb to send
3626 * @parm: the parameter for the verb
3628 * This function works like snd_hda_codec_write_cache(), but it doesn't send
3629 * command if the parameter is already identical with the cached value.
3630 * If not, it sends the command and refreshes the cache.
3632 * Returns 0 if successful, or a negative error code.
3634 int snd_hda_codec_update_cache(struct hda_codec *codec, hda_nid_t nid,
3635 int direct, unsigned int verb, unsigned int parm)
3637 struct hda_cache_head *c;
3640 /* parm may contain the verb stuff for get/set amp */
3641 verb = verb | (parm >> 8);
3643 key = build_cmd_cache_key(nid, verb);
3644 mutex_lock(&codec->bus->cmd_mutex);
3645 c = get_hash(&codec->cmd_cache, key);
3646 if (c && c->val == parm) {
3647 mutex_unlock(&codec->bus->cmd_mutex);
3650 mutex_unlock(&codec->bus->cmd_mutex);
3651 return snd_hda_codec_write_cache(codec, nid, direct, verb, parm);
3653 EXPORT_SYMBOL_HDA(snd_hda_codec_update_cache);
3656 * snd_hda_codec_resume_cache - Resume the all commands from the cache
3657 * @codec: HD-audio codec
3659 * Execute all verbs recorded in the command caches to resume.
3661 void snd_hda_codec_resume_cache(struct hda_codec *codec)
3665 mutex_lock(&codec->hash_mutex);
3666 codec->cached_write = 0;
3667 for (i = 0; i < codec->cmd_cache.buf.used; i++) {
3668 struct hda_cache_head *buffer;
3671 buffer = snd_array_elem(&codec->cmd_cache.buf, i);
3678 mutex_unlock(&codec->hash_mutex);
3679 snd_hda_codec_write(codec, get_cmd_cache_nid(key), 0,
3680 get_cmd_cache_cmd(key), buffer->val);
3681 mutex_lock(&codec->hash_mutex);
3683 mutex_unlock(&codec->hash_mutex);
3685 EXPORT_SYMBOL_HDA(snd_hda_codec_resume_cache);
3688 * snd_hda_sequence_write_cache - sequence writes with caching
3689 * @codec: the HDA codec
3690 * @seq: VERB array to send
3692 * Send the commands sequentially from the given array.
3693 * Thte commands are recorded on cache for power-save and resume.
3694 * The array must be terminated with NID=0.
3696 void snd_hda_sequence_write_cache(struct hda_codec *codec,
3697 const struct hda_verb *seq)
3699 for (; seq->nid; seq++)
3700 snd_hda_codec_write_cache(codec, seq->nid, 0, seq->verb,
3703 EXPORT_SYMBOL_HDA(snd_hda_sequence_write_cache);
3706 * snd_hda_codec_flush_cache - Execute all pending (cached) amps / verbs
3707 * @codec: HD-audio codec
3709 void snd_hda_codec_flush_cache(struct hda_codec *codec)
3711 snd_hda_codec_resume_amp(codec);
3712 snd_hda_codec_resume_cache(codec);
3714 EXPORT_SYMBOL_HDA(snd_hda_codec_flush_cache);
3716 void snd_hda_codec_set_power_to_all(struct hda_codec *codec, hda_nid_t fg,
3717 unsigned int power_state)
3719 hda_nid_t nid = codec->start_nid;
3722 for (i = 0; i < codec->num_nodes; i++, nid++) {
3723 unsigned int wcaps = get_wcaps(codec, nid);
3724 unsigned int state = power_state;
3725 if (!(wcaps & AC_WCAP_POWER))
3727 if (codec->power_filter) {
3728 state = codec->power_filter(codec, nid, power_state);
3729 if (state != power_state && power_state == AC_PWRST_D3)
3732 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE,
3736 EXPORT_SYMBOL_HDA(snd_hda_codec_set_power_to_all);
3739 * supported power states check
3741 static bool snd_hda_codec_get_supported_ps(struct hda_codec *codec, hda_nid_t fg,
3742 unsigned int power_state)
3744 int sup = snd_hda_param_read(codec, fg, AC_PAR_POWER_STATE);
3748 if (sup & power_state)
3755 * wait until the state is reached, returns the current state
3757 static unsigned int hda_sync_power_state(struct hda_codec *codec,
3759 unsigned int power_state)
3761 unsigned long end_time = jiffies + msecs_to_jiffies(500);
3762 unsigned int state, actual_state;
3765 state = snd_hda_codec_read(codec, fg, 0,
3766 AC_VERB_GET_POWER_STATE, 0);
3767 if (state & AC_PWRST_ERROR)
3769 actual_state = (state >> 4) & 0x0f;
3770 if (actual_state == power_state)
3772 if (time_after_eq(jiffies, end_time))
3774 /* wait until the codec reachs to the target state */
3780 /* don't power down the widget if it controls eapd and EAPD_BTLENABLE is set */
3781 unsigned int snd_hda_codec_eapd_power_filter(struct hda_codec *codec,
3783 unsigned int power_state)
3785 if (power_state == AC_PWRST_D3 &&
3786 get_wcaps_type(get_wcaps(codec, nid)) == AC_WID_PIN &&
3787 (snd_hda_query_pin_caps(codec, nid) & AC_PINCAP_EAPD)) {
3788 int eapd = snd_hda_codec_read(codec, nid, 0,
3789 AC_VERB_GET_EAPD_BTLENABLE, 0);
3795 EXPORT_SYMBOL_HDA(snd_hda_codec_eapd_power_filter);
3798 * set power state of the codec, and return the power state
3800 static unsigned int hda_set_power_state(struct hda_codec *codec,
3801 unsigned int power_state)
3803 hda_nid_t fg = codec->afg ? codec->afg : codec->mfg;
3807 /* this delay seems necessary to avoid click noise at power-down */
3808 if (power_state == AC_PWRST_D3) {
3809 /* transition time less than 10ms for power down */
3810 msleep(codec->epss ? 10 : 100);
3813 /* repeat power states setting at most 10 times*/
3814 for (count = 0; count < 10; count++) {
3815 if (codec->patch_ops.set_power_state)
3816 codec->patch_ops.set_power_state(codec, fg,
3819 snd_hda_codec_read(codec, fg, 0,
3820 AC_VERB_SET_POWER_STATE,
3822 snd_hda_codec_set_power_to_all(codec, fg, power_state);
3824 state = hda_sync_power_state(codec, fg, power_state);
3825 if (!(state & AC_PWRST_ERROR))
3832 /* sync power states of all widgets;
3833 * this is called at the end of codec parsing
3835 static void sync_power_up_states(struct hda_codec *codec)
3837 hda_nid_t nid = codec->start_nid;
3840 /* don't care if no filter is used */
3841 if (!codec->power_filter)
3844 for (i = 0; i < codec->num_nodes; i++, nid++) {
3845 unsigned int wcaps = get_wcaps(codec, nid);
3846 unsigned int target;
3847 if (!(wcaps & AC_WCAP_POWER))
3849 target = codec->power_filter(codec, nid, AC_PWRST_D0);
3850 if (target == AC_PWRST_D0)
3852 if (!snd_hda_check_power_state(codec, nid, target))
3853 snd_hda_codec_write(codec, nid, 0,
3854 AC_VERB_SET_POWER_STATE, target);
3858 #ifdef CONFIG_SND_HDA_HWDEP
3859 /* execute additional init verbs */
3860 static void hda_exec_init_verbs(struct hda_codec *codec)
3862 if (codec->init_verbs.list)
3863 snd_hda_sequence_write(codec, codec->init_verbs.list);
3866 static inline void hda_exec_init_verbs(struct hda_codec *codec) {}
3871 * call suspend and power-down; used both from PM and power-save
3872 * this function returns the power state in the end
3874 static unsigned int hda_call_codec_suspend(struct hda_codec *codec, bool in_wq)
3880 if (codec->patch_ops.suspend)
3881 codec->patch_ops.suspend(codec);
3882 hda_cleanup_all_streams(codec);
3883 state = hda_set_power_state(codec, AC_PWRST_D3);
3884 /* Cancel delayed work if we aren't currently running from it. */
3886 cancel_delayed_work_sync(&codec->power_work);
3887 spin_lock(&codec->power_lock);
3888 snd_hda_update_power_acct(codec);
3889 trace_hda_power_down(codec);
3890 codec->power_on = 0;
3891 codec->power_transition = 0;
3892 codec->power_jiffies = jiffies;
3893 spin_unlock(&codec->power_lock);
3898 /* mark all entries of cmd and amp caches dirty */
3899 static void hda_mark_cmd_cache_dirty(struct hda_codec *codec)
3902 for (i = 0; i < codec->cmd_cache.buf.used; i++) {
3903 struct hda_cache_head *cmd;
3904 cmd = snd_array_elem(&codec->cmd_cache.buf, i);
3907 for (i = 0; i < codec->amp_cache.buf.used; i++) {
3908 struct hda_amp_info *amp;
3909 amp = snd_array_elem(&codec->amp_cache.buf, i);
3910 amp->head.dirty = 1;
3915 * kick up codec; used both from PM and power-save
3917 static void hda_call_codec_resume(struct hda_codec *codec)
3921 hda_mark_cmd_cache_dirty(codec);
3923 /* set as if powered on for avoiding re-entering the resume
3924 * in the resume / power-save sequence
3926 hda_keep_power_on(codec);
3927 hda_set_power_state(codec, AC_PWRST_D0);
3928 restore_shutup_pins(codec);
3929 hda_exec_init_verbs(codec);
3930 snd_hda_jack_set_dirty_all(codec);
3931 if (codec->patch_ops.resume)
3932 codec->patch_ops.resume(codec);
3934 if (codec->patch_ops.init)
3935 codec->patch_ops.init(codec);
3936 snd_hda_codec_resume_amp(codec);
3937 snd_hda_codec_resume_cache(codec);
3940 if (codec->jackpoll_interval)
3941 hda_jackpoll_work(&codec->jackpoll_work.work);
3943 snd_hda_jack_report_sync(codec);
3946 snd_hda_power_down(codec); /* flag down before returning */
3948 #endif /* CONFIG_PM */
3952 * snd_hda_build_controls - build mixer controls
3955 * Creates mixer controls for each codec included in the bus.
3957 * Returns 0 if successful, otherwise a negative error code.
3959 int snd_hda_build_controls(struct hda_bus *bus)
3961 struct hda_codec *codec;
3963 list_for_each_entry(codec, &bus->codec_list, list) {
3964 int err = snd_hda_codec_build_controls(codec);
3966 printk(KERN_ERR "hda_codec: cannot build controls "
3967 "for #%d (error %d)\n", codec->addr, err);
3968 err = snd_hda_codec_reset(codec);
3971 "hda_codec: cannot revert codec\n");
3978 EXPORT_SYMBOL_HDA(snd_hda_build_controls);
3981 * add standard channel maps if not specified
3983 static int add_std_chmaps(struct hda_codec *codec)
3987 for (i = 0; i < codec->num_pcms; i++) {
3988 for (str = 0; str < 2; str++) {
3989 struct snd_pcm *pcm = codec->pcm_info[i].pcm;
3990 struct hda_pcm_stream *hinfo =
3991 &codec->pcm_info[i].stream[str];
3992 struct snd_pcm_chmap *chmap;
3993 const struct snd_pcm_chmap_elem *elem;
3995 if (codec->pcm_info[i].own_chmap)
3997 if (!pcm || !hinfo->substreams)
3999 elem = hinfo->chmap ? hinfo->chmap : snd_pcm_std_chmaps;
4000 err = snd_pcm_add_chmap_ctls(pcm, str, elem,
4001 hinfo->channels_max,
4005 chmap->channel_mask = SND_PCM_CHMAP_MASK_2468;
4011 /* default channel maps for 2.1 speakers;
4012 * since HD-audio supports only stereo, odd number channels are omitted
4014 const struct snd_pcm_chmap_elem snd_pcm_2_1_chmaps[] = {
4016 .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR } },
4018 .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR,
4019 SNDRV_CHMAP_LFE, SNDRV_CHMAP_LFE } },
4022 EXPORT_SYMBOL_GPL(snd_pcm_2_1_chmaps);
4024 int snd_hda_codec_build_controls(struct hda_codec *codec)
4027 hda_exec_init_verbs(codec);
4028 /* continue to initialize... */
4029 if (codec->patch_ops.init)
4030 err = codec->patch_ops.init(codec);
4031 if (!err && codec->patch_ops.build_controls)
4032 err = codec->patch_ops.build_controls(codec);
4036 /* we create chmaps here instead of build_pcms */
4037 err = add_std_chmaps(codec);
4041 if (codec->jackpoll_interval)
4042 hda_jackpoll_work(&codec->jackpoll_work.work);
4044 snd_hda_jack_report_sync(codec); /* call at the last init point */
4045 sync_power_up_states(codec);
4052 struct hda_rate_tbl {
4054 unsigned int alsa_bits;
4055 unsigned int hda_fmt;
4058 /* rate = base * mult / div */
4059 #define HDA_RATE(base, mult, div) \
4060 (AC_FMT_BASE_##base##K | (((mult) - 1) << AC_FMT_MULT_SHIFT) | \
4061 (((div) - 1) << AC_FMT_DIV_SHIFT))
4063 static struct hda_rate_tbl rate_bits[] = {
4064 /* rate in Hz, ALSA rate bitmask, HDA format value */
4066 /* autodetected value used in snd_hda_query_supported_pcm */
4067 { 8000, SNDRV_PCM_RATE_8000, HDA_RATE(48, 1, 6) },
4068 { 11025, SNDRV_PCM_RATE_11025, HDA_RATE(44, 1, 4) },
4069 { 16000, SNDRV_PCM_RATE_16000, HDA_RATE(48, 1, 3) },
4070 { 22050, SNDRV_PCM_RATE_22050, HDA_RATE(44, 1, 2) },
4071 { 32000, SNDRV_PCM_RATE_32000, HDA_RATE(48, 2, 3) },
4072 { 44100, SNDRV_PCM_RATE_44100, HDA_RATE(44, 1, 1) },
4073 { 48000, SNDRV_PCM_RATE_48000, HDA_RATE(48, 1, 1) },
4074 { 88200, SNDRV_PCM_RATE_88200, HDA_RATE(44, 2, 1) },
4075 { 96000, SNDRV_PCM_RATE_96000, HDA_RATE(48, 2, 1) },
4076 { 176400, SNDRV_PCM_RATE_176400, HDA_RATE(44, 4, 1) },
4077 { 192000, SNDRV_PCM_RATE_192000, HDA_RATE(48, 4, 1) },
4078 #define AC_PAR_PCM_RATE_BITS 11
4079 /* up to bits 10, 384kHZ isn't supported properly */
4081 /* not autodetected value */
4082 { 9600, SNDRV_PCM_RATE_KNOT, HDA_RATE(48, 1, 5) },
4084 { 0 } /* terminator */
4088 * snd_hda_calc_stream_format - calculate format bitset
4089 * @rate: the sample rate
4090 * @channels: the number of channels
4091 * @format: the PCM format (SNDRV_PCM_FORMAT_XXX)
4092 * @maxbps: the max. bps
4094 * Calculate the format bitset from the given rate, channels and th PCM format.
4096 * Return zero if invalid.
4098 unsigned int snd_hda_calc_stream_format(unsigned int rate,
4099 unsigned int channels,
4100 unsigned int format,
4101 unsigned int maxbps,
4102 unsigned short spdif_ctls)
4105 unsigned int val = 0;
4107 for (i = 0; rate_bits[i].hz; i++)
4108 if (rate_bits[i].hz == rate) {
4109 val = rate_bits[i].hda_fmt;
4112 if (!rate_bits[i].hz) {
4113 snd_printdd("invalid rate %d\n", rate);
4117 if (channels == 0 || channels > 8) {
4118 snd_printdd("invalid channels %d\n", channels);
4121 val |= channels - 1;
4123 switch (snd_pcm_format_width(format)) {
4125 val |= AC_FMT_BITS_8;
4128 val |= AC_FMT_BITS_16;
4133 if (maxbps >= 32 || format == SNDRV_PCM_FORMAT_FLOAT_LE)
4134 val |= AC_FMT_BITS_32;
4135 else if (maxbps >= 24)
4136 val |= AC_FMT_BITS_24;
4138 val |= AC_FMT_BITS_20;
4141 snd_printdd("invalid format width %d\n",
4142 snd_pcm_format_width(format));
4146 if (spdif_ctls & AC_DIG1_NONAUDIO)
4147 val |= AC_FMT_TYPE_NON_PCM;
4151 EXPORT_SYMBOL_HDA(snd_hda_calc_stream_format);
4153 static unsigned int get_pcm_param(struct hda_codec *codec, hda_nid_t nid,
4156 unsigned int val = 0;
4157 if (nid != codec->afg &&
4158 (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD))
4159 val = snd_hda_param_read(codec, nid, AC_PAR_PCM);
4160 if (!val || val == -1)
4161 val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM);
4162 if (!val || val == -1)
4167 static unsigned int query_pcm_param(struct hda_codec *codec, hda_nid_t nid)
4169 return query_caps_hash(codec, nid, 0, HDA_HASH_PARPCM_KEY(nid),
4173 static unsigned int get_stream_param(struct hda_codec *codec, hda_nid_t nid,
4176 unsigned int streams = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
4177 if (!streams || streams == -1)
4178 streams = snd_hda_param_read(codec, codec->afg, AC_PAR_STREAM);
4179 if (!streams || streams == -1)
4184 static unsigned int query_stream_param(struct hda_codec *codec, hda_nid_t nid)
4186 return query_caps_hash(codec, nid, 0, HDA_HASH_PARSTR_KEY(nid),
4191 * snd_hda_query_supported_pcm - query the supported PCM rates and formats
4192 * @codec: the HDA codec
4193 * @nid: NID to query
4194 * @ratesp: the pointer to store the detected rate bitflags
4195 * @formatsp: the pointer to store the detected formats
4196 * @bpsp: the pointer to store the detected format widths
4198 * Queries the supported PCM rates and formats. The NULL @ratesp, @formatsp
4199 * or @bsps argument is ignored.
4201 * Returns 0 if successful, otherwise a negative error code.
4203 int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid,
4204 u32 *ratesp, u64 *formatsp, unsigned int *bpsp)
4206 unsigned int i, val, wcaps;
4208 wcaps = get_wcaps(codec, nid);
4209 val = query_pcm_param(codec, nid);
4213 for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++) {
4215 rates |= rate_bits[i].alsa_bits;
4218 snd_printk(KERN_ERR "hda_codec: rates == 0 "
4219 "(nid=0x%x, val=0x%x, ovrd=%i)\n",
4221 (wcaps & AC_WCAP_FORMAT_OVRD) ? 1 : 0);
4227 if (formatsp || bpsp) {
4229 unsigned int streams, bps;
4231 streams = query_stream_param(codec, nid);
4236 if (streams & AC_SUPFMT_PCM) {
4237 if (val & AC_SUPPCM_BITS_8) {
4238 formats |= SNDRV_PCM_FMTBIT_U8;
4241 if (val & AC_SUPPCM_BITS_16) {
4242 formats |= SNDRV_PCM_FMTBIT_S16_LE;
4245 if (wcaps & AC_WCAP_DIGITAL) {
4246 if (val & AC_SUPPCM_BITS_32)
4247 formats |= SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE;
4248 if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24))
4249 formats |= SNDRV_PCM_FMTBIT_S32_LE;
4250 if (val & AC_SUPPCM_BITS_24)
4252 else if (val & AC_SUPPCM_BITS_20)
4254 } else if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24|
4255 AC_SUPPCM_BITS_32)) {
4256 formats |= SNDRV_PCM_FMTBIT_S32_LE;
4257 if (val & AC_SUPPCM_BITS_32)
4259 else if (val & AC_SUPPCM_BITS_24)
4261 else if (val & AC_SUPPCM_BITS_20)
4265 #if 0 /* FIXME: CS4206 doesn't work, which is the only codec supporting float */
4266 if (streams & AC_SUPFMT_FLOAT32) {
4267 formats |= SNDRV_PCM_FMTBIT_FLOAT_LE;
4272 if (streams == AC_SUPFMT_AC3) {
4273 /* should be exclusive */
4274 /* temporary hack: we have still no proper support
4275 * for the direct AC3 stream...
4277 formats |= SNDRV_PCM_FMTBIT_U8;
4281 snd_printk(KERN_ERR "hda_codec: formats == 0 "
4282 "(nid=0x%x, val=0x%x, ovrd=%i, "
4285 (wcaps & AC_WCAP_FORMAT_OVRD) ? 1 : 0,
4290 *formatsp = formats;
4297 EXPORT_SYMBOL_HDA(snd_hda_query_supported_pcm);
4300 * snd_hda_is_supported_format - Check the validity of the format
4301 * @codec: HD-audio codec
4302 * @nid: NID to check
4303 * @format: the HD-audio format value to check
4305 * Check whether the given node supports the format value.
4307 * Returns 1 if supported, 0 if not.
4309 int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid,
4310 unsigned int format)
4313 unsigned int val = 0, rate, stream;
4315 val = query_pcm_param(codec, nid);
4319 rate = format & 0xff00;
4320 for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++)
4321 if (rate_bits[i].hda_fmt == rate) {
4326 if (i >= AC_PAR_PCM_RATE_BITS)
4329 stream = query_stream_param(codec, nid);
4333 if (stream & AC_SUPFMT_PCM) {
4334 switch (format & 0xf0) {
4336 if (!(val & AC_SUPPCM_BITS_8))
4340 if (!(val & AC_SUPPCM_BITS_16))
4344 if (!(val & AC_SUPPCM_BITS_20))
4348 if (!(val & AC_SUPPCM_BITS_24))
4352 if (!(val & AC_SUPPCM_BITS_32))
4359 /* FIXME: check for float32 and AC3? */
4364 EXPORT_SYMBOL_HDA(snd_hda_is_supported_format);
4369 static int hda_pcm_default_open_close(struct hda_pcm_stream *hinfo,
4370 struct hda_codec *codec,
4371 struct snd_pcm_substream *substream)
4376 static int hda_pcm_default_prepare(struct hda_pcm_stream *hinfo,
4377 struct hda_codec *codec,
4378 unsigned int stream_tag,
4379 unsigned int format,
4380 struct snd_pcm_substream *substream)
4382 snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format);
4386 static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo,
4387 struct hda_codec *codec,
4388 struct snd_pcm_substream *substream)
4390 snd_hda_codec_cleanup_stream(codec, hinfo->nid);
4394 static int set_pcm_default_values(struct hda_codec *codec,
4395 struct hda_pcm_stream *info)
4399 /* query support PCM information from the given NID */
4400 if (info->nid && (!info->rates || !info->formats)) {
4401 err = snd_hda_query_supported_pcm(codec, info->nid,
4402 info->rates ? NULL : &info->rates,
4403 info->formats ? NULL : &info->formats,
4404 info->maxbps ? NULL : &info->maxbps);
4408 if (info->ops.open == NULL)
4409 info->ops.open = hda_pcm_default_open_close;
4410 if (info->ops.close == NULL)
4411 info->ops.close = hda_pcm_default_open_close;
4412 if (info->ops.prepare == NULL) {
4413 if (snd_BUG_ON(!info->nid))
4415 info->ops.prepare = hda_pcm_default_prepare;
4417 if (info->ops.cleanup == NULL) {
4418 if (snd_BUG_ON(!info->nid))
4420 info->ops.cleanup = hda_pcm_default_cleanup;
4426 * codec prepare/cleanup entries
4428 int snd_hda_codec_prepare(struct hda_codec *codec,
4429 struct hda_pcm_stream *hinfo,
4430 unsigned int stream,
4431 unsigned int format,
4432 struct snd_pcm_substream *substream)
4435 mutex_lock(&codec->bus->prepare_mutex);
4436 ret = hinfo->ops.prepare(hinfo, codec, stream, format, substream);
4438 purify_inactive_streams(codec);
4439 mutex_unlock(&codec->bus->prepare_mutex);
4442 EXPORT_SYMBOL_HDA(snd_hda_codec_prepare);
4444 void snd_hda_codec_cleanup(struct hda_codec *codec,
4445 struct hda_pcm_stream *hinfo,
4446 struct snd_pcm_substream *substream)
4448 mutex_lock(&codec->bus->prepare_mutex);
4449 hinfo->ops.cleanup(hinfo, codec, substream);
4450 mutex_unlock(&codec->bus->prepare_mutex);
4452 EXPORT_SYMBOL_HDA(snd_hda_codec_cleanup);
4455 const char *snd_hda_pcm_type_name[HDA_PCM_NTYPES] = {
4456 "Audio", "SPDIF", "HDMI", "Modem"
4460 * get the empty PCM device number to assign
4462 * note the max device number is limited by HDA_MAX_PCMS, currently 10
4464 static int get_empty_pcm_device(struct hda_bus *bus, int type)
4466 /* audio device indices; not linear to keep compatibility */
4467 static int audio_idx[HDA_PCM_NTYPES][5] = {
4468 [HDA_PCM_TYPE_AUDIO] = { 0, 2, 4, 5, -1 },
4469 [HDA_PCM_TYPE_SPDIF] = { 1, -1 },
4470 [HDA_PCM_TYPE_HDMI] = { 3, 7, 8, 9, -1 },
4471 [HDA_PCM_TYPE_MODEM] = { 6, -1 },
4475 if (type >= HDA_PCM_NTYPES) {
4476 snd_printk(KERN_WARNING "Invalid PCM type %d\n", type);
4480 for (i = 0; audio_idx[type][i] >= 0 ; i++)
4481 if (!test_and_set_bit(audio_idx[type][i], bus->pcm_dev_bits))
4482 return audio_idx[type][i];
4484 /* non-fixed slots starting from 10 */
4485 for (i = 10; i < 32; i++) {
4486 if (!test_and_set_bit(i, bus->pcm_dev_bits))
4490 snd_printk(KERN_WARNING "Too many %s devices\n",
4491 snd_hda_pcm_type_name[type]);
4496 * attach a new PCM stream
4498 static int snd_hda_attach_pcm(struct hda_codec *codec, struct hda_pcm *pcm)
4500 struct hda_bus *bus = codec->bus;
4501 struct hda_pcm_stream *info;
4504 if (snd_BUG_ON(!pcm->name))
4506 for (stream = 0; stream < 2; stream++) {
4507 info = &pcm->stream[stream];
4508 if (info->substreams) {
4509 err = set_pcm_default_values(codec, info);
4514 return bus->ops.attach_pcm(bus, codec, pcm);
4517 /* assign all PCMs of the given codec */
4518 int snd_hda_codec_build_pcms(struct hda_codec *codec)
4523 if (!codec->num_pcms) {
4524 if (!codec->patch_ops.build_pcms)
4526 err = codec->patch_ops.build_pcms(codec);
4528 printk(KERN_ERR "hda_codec: cannot build PCMs"
4529 "for #%d (error %d)\n", codec->addr, err);
4530 err = snd_hda_codec_reset(codec);
4533 "hda_codec: cannot revert codec\n");
4538 for (pcm = 0; pcm < codec->num_pcms; pcm++) {
4539 struct hda_pcm *cpcm = &codec->pcm_info[pcm];
4542 if (!cpcm->stream[0].substreams && !cpcm->stream[1].substreams)
4543 continue; /* no substreams assigned */
4546 dev = get_empty_pcm_device(codec->bus, cpcm->pcm_type);
4548 continue; /* no fatal error */
4550 err = snd_hda_attach_pcm(codec, cpcm);
4552 printk(KERN_ERR "hda_codec: cannot attach "
4553 "PCM stream %d for codec #%d\n",
4555 continue; /* no fatal error */
4563 * snd_hda_build_pcms - build PCM information
4566 * Create PCM information for each codec included in the bus.
4568 * The build_pcms codec patch is requested to set up codec->num_pcms and
4569 * codec->pcm_info properly. The array is referred by the top-level driver
4570 * to create its PCM instances.
4571 * The allocated codec->pcm_info should be released in codec->patch_ops.free
4574 * At least, substreams, channels_min and channels_max must be filled for
4575 * each stream. substreams = 0 indicates that the stream doesn't exist.
4576 * When rates and/or formats are zero, the supported values are queried
4577 * from the given nid. The nid is used also by the default ops.prepare
4578 * and ops.cleanup callbacks.
4580 * The driver needs to call ops.open in its open callback. Similarly,
4581 * ops.close is supposed to be called in the close callback.
4582 * ops.prepare should be called in the prepare or hw_params callback
4583 * with the proper parameters for set up.
4584 * ops.cleanup should be called in hw_free for clean up of streams.
4586 * This function returns 0 if successful, or a negative error code.
4588 int snd_hda_build_pcms(struct hda_bus *bus)
4590 struct hda_codec *codec;
4592 list_for_each_entry(codec, &bus->codec_list, list) {
4593 int err = snd_hda_codec_build_pcms(codec);
4599 EXPORT_SYMBOL_HDA(snd_hda_build_pcms);
4602 * snd_hda_check_board_config - compare the current codec with the config table
4603 * @codec: the HDA codec
4604 * @num_configs: number of config enums
4605 * @models: array of model name strings
4606 * @tbl: configuration table, terminated by null entries
4608 * Compares the modelname or PCI subsystem id of the current codec with the
4609 * given configuration table. If a matching entry is found, returns its
4610 * config value (supposed to be 0 or positive).
4612 * If no entries are matching, the function returns a negative value.
4614 int snd_hda_check_board_config(struct hda_codec *codec,
4615 int num_configs, const char * const *models,
4616 const struct snd_pci_quirk *tbl)
4618 if (codec->modelname && models) {
4620 for (i = 0; i < num_configs; i++) {
4622 !strcmp(codec->modelname, models[i])) {
4623 snd_printd(KERN_INFO "hda_codec: model '%s' is "
4624 "selected\n", models[i]);
4630 if (!codec->bus->pci || !tbl)
4633 tbl = snd_pci_quirk_lookup(codec->bus->pci, tbl);
4636 if (tbl->value >= 0 && tbl->value < num_configs) {
4637 #ifdef CONFIG_SND_DEBUG_VERBOSE
4639 const char *model = NULL;
4641 model = models[tbl->value];
4643 sprintf(tmp, "#%d", tbl->value);
4646 snd_printdd(KERN_INFO "hda_codec: model '%s' is selected "
4647 "for config %x:%x (%s)\n",
4648 model, tbl->subvendor, tbl->subdevice,
4649 (tbl->name ? tbl->name : "Unknown device"));
4655 EXPORT_SYMBOL_HDA(snd_hda_check_board_config);
4658 * snd_hda_check_board_codec_sid_config - compare the current codec
4659 subsystem ID with the
4662 This is important for Gateway notebooks with SB450 HDA Audio
4663 where the vendor ID of the PCI device is:
4664 ATI Technologies Inc SB450 HDA Audio [1002:437b]
4665 and the vendor/subvendor are found only at the codec.
4667 * @codec: the HDA codec
4668 * @num_configs: number of config enums
4669 * @models: array of model name strings
4670 * @tbl: configuration table, terminated by null entries
4672 * Compares the modelname or PCI subsystem id of the current codec with the
4673 * given configuration table. If a matching entry is found, returns its
4674 * config value (supposed to be 0 or positive).
4676 * If no entries are matching, the function returns a negative value.
4678 int snd_hda_check_board_codec_sid_config(struct hda_codec *codec,
4679 int num_configs, const char * const *models,
4680 const struct snd_pci_quirk *tbl)
4682 const struct snd_pci_quirk *q;
4684 /* Search for codec ID */
4685 for (q = tbl; q->subvendor; q++) {
4686 unsigned int mask = 0xffff0000 | q->subdevice_mask;
4687 unsigned int id = (q->subdevice | (q->subvendor << 16)) & mask;
4688 if ((codec->subsystem_id & mask) == id)
4697 if (tbl->value >= 0 && tbl->value < num_configs) {
4698 #ifdef CONFIG_SND_DEBUG_VERBOSE
4700 const char *model = NULL;
4702 model = models[tbl->value];
4704 sprintf(tmp, "#%d", tbl->value);
4707 snd_printdd(KERN_INFO "hda_codec: model '%s' is selected "
4708 "for config %x:%x (%s)\n",
4709 model, tbl->subvendor, tbl->subdevice,
4710 (tbl->name ? tbl->name : "Unknown device"));
4716 EXPORT_SYMBOL_HDA(snd_hda_check_board_codec_sid_config);
4719 * snd_hda_add_new_ctls - create controls from the array
4720 * @codec: the HDA codec
4721 * @knew: the array of struct snd_kcontrol_new
4723 * This helper function creates and add new controls in the given array.
4724 * The array must be terminated with an empty entry as terminator.
4726 * Returns 0 if successful, or a negative error code.
4728 int snd_hda_add_new_ctls(struct hda_codec *codec,
4729 const struct snd_kcontrol_new *knew)
4733 for (; knew->name; knew++) {
4734 struct snd_kcontrol *kctl;
4735 int addr = 0, idx = 0;
4736 if (knew->iface == -1) /* skip this codec private value */
4739 kctl = snd_ctl_new1(knew, codec);
4743 kctl->id.device = addr;
4745 kctl->id.index = idx;
4746 err = snd_hda_ctl_add(codec, 0, kctl);
4749 /* try first with another device index corresponding to
4750 * the codec addr; if it still fails (or it's the
4751 * primary codec), then try another control index
4753 if (!addr && codec->addr)
4755 else if (!idx && !knew->index) {
4756 idx = find_empty_mixer_ctl_idx(codec,
4766 EXPORT_SYMBOL_HDA(snd_hda_add_new_ctls);
4769 static void hda_power_work(struct work_struct *work)
4771 struct hda_codec *codec =
4772 container_of(work, struct hda_codec, power_work.work);
4773 struct hda_bus *bus = codec->bus;
4776 spin_lock(&codec->power_lock);
4777 if (codec->power_transition > 0) { /* during power-up sequence? */
4778 spin_unlock(&codec->power_lock);
4781 if (!codec->power_on || codec->power_count) {
4782 codec->power_transition = 0;
4783 spin_unlock(&codec->power_lock);
4786 spin_unlock(&codec->power_lock);
4788 state = hda_call_codec_suspend(codec, true);
4789 codec->pm_down_notified = 0;
4790 if (!bus->power_keep_link_on && (state & AC_PWRST_CLK_STOP_OK)) {
4791 codec->pm_down_notified = 1;
4792 hda_call_pm_notify(bus, false);
4796 static void hda_keep_power_on(struct hda_codec *codec)
4798 spin_lock(&codec->power_lock);
4799 codec->power_count++;
4800 codec->power_on = 1;
4801 codec->power_jiffies = jiffies;
4802 spin_unlock(&codec->power_lock);
4805 /* update the power on/off account with the current jiffies */
4806 void snd_hda_update_power_acct(struct hda_codec *codec)
4808 unsigned long delta = jiffies - codec->power_jiffies;
4809 if (codec->power_on)
4810 codec->power_on_acct += delta;
4812 codec->power_off_acct += delta;
4813 codec->power_jiffies += delta;
4816 /* Transition to powered up, if wait_power_down then wait for a pending
4817 * transition to D3 to complete. A pending D3 transition is indicated
4818 * with power_transition == -1. */
4819 /* call this with codec->power_lock held! */
4820 static void __snd_hda_power_up(struct hda_codec *codec, bool wait_power_down)
4822 struct hda_bus *bus = codec->bus;
4824 /* Return if power_on or transitioning to power_on, unless currently
4826 if ((codec->power_on || codec->power_transition > 0) &&
4827 !(wait_power_down && codec->power_transition < 0))
4829 spin_unlock(&codec->power_lock);
4831 cancel_delayed_work_sync(&codec->power_work);
4833 spin_lock(&codec->power_lock);
4834 /* If the power down delayed work was cancelled above before starting,
4835 * then there is no need to go through power up here.
4837 if (codec->power_on) {
4838 if (codec->power_transition < 0)
4839 codec->power_transition = 0;
4843 trace_hda_power_up(codec);
4844 snd_hda_update_power_acct(codec);
4845 codec->power_on = 1;
4846 codec->power_jiffies = jiffies;
4847 codec->power_transition = 1; /* avoid reentrance */
4848 spin_unlock(&codec->power_lock);
4850 if (codec->pm_down_notified) {
4851 codec->pm_down_notified = 0;
4852 hda_call_pm_notify(bus, true);
4855 hda_call_codec_resume(codec);
4857 spin_lock(&codec->power_lock);
4858 codec->power_transition = 0;
4861 #define power_save(codec) \
4862 ((codec)->bus->power_save ? *(codec)->bus->power_save : 0)
4864 /* Transition to powered down */
4865 static void __snd_hda_power_down(struct hda_codec *codec)
4867 if (!codec->power_on || codec->power_count || codec->power_transition)
4870 if (power_save(codec)) {
4871 codec->power_transition = -1; /* avoid reentrance */
4872 queue_delayed_work(codec->bus->workq, &codec->power_work,
4873 msecs_to_jiffies(power_save(codec) * 1000));
4878 * snd_hda_power_save - Power-up/down/sync the codec
4879 * @codec: HD-audio codec
4880 * @delta: the counter delta to change
4882 * Change the power-up counter via @delta, and power up or down the hardware
4883 * appropriately. For the power-down, queue to the delayed action.
4884 * Passing zero to @delta means to synchronize the power state.
4886 void snd_hda_power_save(struct hda_codec *codec, int delta, bool d3wait)
4888 spin_lock(&codec->power_lock);
4889 codec->power_count += delta;
4890 trace_hda_power_count(codec);
4892 __snd_hda_power_up(codec, d3wait);
4894 __snd_hda_power_down(codec);
4895 spin_unlock(&codec->power_lock);
4897 EXPORT_SYMBOL_HDA(snd_hda_power_save);
4900 * snd_hda_check_amp_list_power - Check the amp list and update the power
4901 * @codec: HD-audio codec
4902 * @check: the object containing an AMP list and the status
4903 * @nid: NID to check / update
4905 * Check whether the given NID is in the amp list. If it's in the list,
4906 * check the current AMP status, and update the the power-status according
4907 * to the mute status.
4909 * This function is supposed to be set or called from the check_power_status
4912 int snd_hda_check_amp_list_power(struct hda_codec *codec,
4913 struct hda_loopback_check *check,
4916 const struct hda_amp_list *p;
4919 if (!check->amplist)
4921 for (p = check->amplist; p->nid; p++) {
4926 return 0; /* nothing changed */
4928 for (p = check->amplist; p->nid; p++) {
4929 for (ch = 0; ch < 2; ch++) {
4930 v = snd_hda_codec_amp_read(codec, p->nid, ch, p->dir,
4932 if (!(v & HDA_AMP_MUTE) && v > 0) {
4933 if (!check->power_on) {
4934 check->power_on = 1;
4935 snd_hda_power_up(codec);
4941 if (check->power_on) {
4942 check->power_on = 0;
4943 snd_hda_power_down(codec);
4947 EXPORT_SYMBOL_HDA(snd_hda_check_amp_list_power);
4951 * Channel mode helper
4955 * snd_hda_ch_mode_info - Info callback helper for the channel mode enum
4957 int snd_hda_ch_mode_info(struct hda_codec *codec,
4958 struct snd_ctl_elem_info *uinfo,
4959 const struct hda_channel_mode *chmode,
4962 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
4964 uinfo->value.enumerated.items = num_chmodes;
4965 if (uinfo->value.enumerated.item >= num_chmodes)
4966 uinfo->value.enumerated.item = num_chmodes - 1;
4967 sprintf(uinfo->value.enumerated.name, "%dch",
4968 chmode[uinfo->value.enumerated.item].channels);
4971 EXPORT_SYMBOL_HDA(snd_hda_ch_mode_info);
4974 * snd_hda_ch_mode_get - Get callback helper for the channel mode enum
4976 int snd_hda_ch_mode_get(struct hda_codec *codec,
4977 struct snd_ctl_elem_value *ucontrol,
4978 const struct hda_channel_mode *chmode,
4984 for (i = 0; i < num_chmodes; i++) {
4985 if (max_channels == chmode[i].channels) {
4986 ucontrol->value.enumerated.item[0] = i;
4992 EXPORT_SYMBOL_HDA(snd_hda_ch_mode_get);
4995 * snd_hda_ch_mode_put - Put callback helper for the channel mode enum
4997 int snd_hda_ch_mode_put(struct hda_codec *codec,
4998 struct snd_ctl_elem_value *ucontrol,
4999 const struct hda_channel_mode *chmode,
5005 mode = ucontrol->value.enumerated.item[0];
5006 if (mode >= num_chmodes)
5008 if (*max_channelsp == chmode[mode].channels)
5010 /* change the current channel setting */
5011 *max_channelsp = chmode[mode].channels;
5012 if (chmode[mode].sequence)
5013 snd_hda_sequence_write_cache(codec, chmode[mode].sequence);
5016 EXPORT_SYMBOL_HDA(snd_hda_ch_mode_put);
5023 * snd_hda_input_mux_info_info - Info callback helper for the input-mux enum
5025 int snd_hda_input_mux_info(const struct hda_input_mux *imux,
5026 struct snd_ctl_elem_info *uinfo)
5030 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
5032 uinfo->value.enumerated.items = imux->num_items;
5033 if (!imux->num_items)
5035 index = uinfo->value.enumerated.item;
5036 if (index >= imux->num_items)
5037 index = imux->num_items - 1;
5038 strcpy(uinfo->value.enumerated.name, imux->items[index].label);
5041 EXPORT_SYMBOL_HDA(snd_hda_input_mux_info);
5044 * snd_hda_input_mux_info_put - Put callback helper for the input-mux enum
5046 int snd_hda_input_mux_put(struct hda_codec *codec,
5047 const struct hda_input_mux *imux,
5048 struct snd_ctl_elem_value *ucontrol,
5050 unsigned int *cur_val)
5054 if (!imux->num_items)
5056 idx = ucontrol->value.enumerated.item[0];
5057 if (idx >= imux->num_items)
5058 idx = imux->num_items - 1;
5059 if (*cur_val == idx)
5061 snd_hda_codec_write_cache(codec, nid, 0, AC_VERB_SET_CONNECT_SEL,
5062 imux->items[idx].index);
5066 EXPORT_SYMBOL_HDA(snd_hda_input_mux_put);
5070 * process kcontrol info callback of a simple string enum array
5071 * when @num_items is 0 or @texts is NULL, assume a boolean enum array
5073 int snd_hda_enum_helper_info(struct snd_kcontrol *kcontrol,
5074 struct snd_ctl_elem_info *uinfo,
5075 int num_items, const char * const *texts)
5077 static const char * const texts_default[] = {
5078 "Disabled", "Enabled"
5081 if (!texts || !num_items) {
5083 texts = texts_default;
5086 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
5088 uinfo->value.enumerated.items = num_items;
5089 if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
5090 uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
5091 strcpy(uinfo->value.enumerated.name,
5092 texts[uinfo->value.enumerated.item]);
5095 EXPORT_SYMBOL_HDA(snd_hda_enum_helper_info);
5098 * Multi-channel / digital-out PCM helper functions
5101 /* setup SPDIF output stream */
5102 static void setup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid,
5103 unsigned int stream_tag, unsigned int format)
5105 struct hda_spdif_out *spdif;
5106 unsigned int curr_fmt;
5109 spdif = snd_hda_spdif_out_of_nid(codec, nid);
5110 curr_fmt = snd_hda_codec_read(codec, nid, 0,
5111 AC_VERB_GET_STREAM_FORMAT, 0);
5112 reset = codec->spdif_status_reset &&
5113 (spdif->ctls & AC_DIG1_ENABLE) &&
5116 /* turn off SPDIF if needed; otherwise the IEC958 bits won't be
5119 set_dig_out_convert(codec, nid,
5120 spdif->ctls & ~AC_DIG1_ENABLE & 0xff,
5122 snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format);
5123 if (codec->slave_dig_outs) {
5125 for (d = codec->slave_dig_outs; *d; d++)
5126 snd_hda_codec_setup_stream(codec, *d, stream_tag, 0,
5129 /* turn on again (if needed) */
5131 set_dig_out_convert(codec, nid,
5132 spdif->ctls & 0xff, -1);
5135 static void cleanup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid)
5137 snd_hda_codec_cleanup_stream(codec, nid);
5138 if (codec->slave_dig_outs) {
5140 for (d = codec->slave_dig_outs; *d; d++)
5141 snd_hda_codec_cleanup_stream(codec, *d);
5146 * snd_hda_bus_reboot_notify - call the reboot notifier of each codec
5147 * @bus: HD-audio bus
5149 void snd_hda_bus_reboot_notify(struct hda_bus *bus)
5151 struct hda_codec *codec;
5155 list_for_each_entry(codec, &bus->codec_list, list) {
5156 if (hda_codec_is_power_on(codec) &&
5157 codec->patch_ops.reboot_notify)
5158 codec->patch_ops.reboot_notify(codec);
5161 EXPORT_SYMBOL_HDA(snd_hda_bus_reboot_notify);
5164 * snd_hda_multi_out_dig_open - open the digital out in the exclusive mode
5166 int snd_hda_multi_out_dig_open(struct hda_codec *codec,
5167 struct hda_multi_out *mout)
5169 mutex_lock(&codec->spdif_mutex);
5170 if (mout->dig_out_used == HDA_DIG_ANALOG_DUP)
5171 /* already opened as analog dup; reset it once */
5172 cleanup_dig_out_stream(codec, mout->dig_out_nid);
5173 mout->dig_out_used = HDA_DIG_EXCLUSIVE;
5174 mutex_unlock(&codec->spdif_mutex);
5177 EXPORT_SYMBOL_HDA(snd_hda_multi_out_dig_open);
5180 * snd_hda_multi_out_dig_prepare - prepare the digital out stream
5182 int snd_hda_multi_out_dig_prepare(struct hda_codec *codec,
5183 struct hda_multi_out *mout,
5184 unsigned int stream_tag,
5185 unsigned int format,
5186 struct snd_pcm_substream *substream)
5188 mutex_lock(&codec->spdif_mutex);
5189 setup_dig_out_stream(codec, mout->dig_out_nid, stream_tag, format);
5190 mutex_unlock(&codec->spdif_mutex);
5193 EXPORT_SYMBOL_HDA(snd_hda_multi_out_dig_prepare);
5196 * snd_hda_multi_out_dig_cleanup - clean-up the digital out stream
5198 int snd_hda_multi_out_dig_cleanup(struct hda_codec *codec,
5199 struct hda_multi_out *mout)
5201 mutex_lock(&codec->spdif_mutex);
5202 cleanup_dig_out_stream(codec, mout->dig_out_nid);
5203 mutex_unlock(&codec->spdif_mutex);
5206 EXPORT_SYMBOL_HDA(snd_hda_multi_out_dig_cleanup);
5209 * snd_hda_multi_out_dig_close - release the digital out stream
5211 int snd_hda_multi_out_dig_close(struct hda_codec *codec,
5212 struct hda_multi_out *mout)
5214 mutex_lock(&codec->spdif_mutex);
5215 mout->dig_out_used = 0;
5216 mutex_unlock(&codec->spdif_mutex);
5219 EXPORT_SYMBOL_HDA(snd_hda_multi_out_dig_close);
5222 * snd_hda_multi_out_analog_open - open analog outputs
5224 * Open analog outputs and set up the hw-constraints.
5225 * If the digital outputs can be opened as slave, open the digital
5228 int snd_hda_multi_out_analog_open(struct hda_codec *codec,
5229 struct hda_multi_out *mout,
5230 struct snd_pcm_substream *substream,
5231 struct hda_pcm_stream *hinfo)
5233 struct snd_pcm_runtime *runtime = substream->runtime;
5234 runtime->hw.channels_max = mout->max_channels;
5235 if (mout->dig_out_nid) {
5236 if (!mout->analog_rates) {
5237 mout->analog_rates = hinfo->rates;
5238 mout->analog_formats = hinfo->formats;
5239 mout->analog_maxbps = hinfo->maxbps;
5241 runtime->hw.rates = mout->analog_rates;
5242 runtime->hw.formats = mout->analog_formats;
5243 hinfo->maxbps = mout->analog_maxbps;
5245 if (!mout->spdif_rates) {
5246 snd_hda_query_supported_pcm(codec, mout->dig_out_nid,
5248 &mout->spdif_formats,
5249 &mout->spdif_maxbps);
5251 mutex_lock(&codec->spdif_mutex);
5252 if (mout->share_spdif) {
5253 if ((runtime->hw.rates & mout->spdif_rates) &&
5254 (runtime->hw.formats & mout->spdif_formats)) {
5255 runtime->hw.rates &= mout->spdif_rates;
5256 runtime->hw.formats &= mout->spdif_formats;
5257 if (mout->spdif_maxbps < hinfo->maxbps)
5258 hinfo->maxbps = mout->spdif_maxbps;
5260 mout->share_spdif = 0;
5261 /* FIXME: need notify? */
5264 mutex_unlock(&codec->spdif_mutex);
5266 return snd_pcm_hw_constraint_step(substream->runtime, 0,
5267 SNDRV_PCM_HW_PARAM_CHANNELS, 2);
5269 EXPORT_SYMBOL_HDA(snd_hda_multi_out_analog_open);
5272 * snd_hda_multi_out_analog_prepare - Preapre the analog outputs.
5274 * Set up the i/o for analog out.
5275 * When the digital out is available, copy the front out to digital out, too.
5277 int snd_hda_multi_out_analog_prepare(struct hda_codec *codec,
5278 struct hda_multi_out *mout,
5279 unsigned int stream_tag,
5280 unsigned int format,
5281 struct snd_pcm_substream *substream)
5283 const hda_nid_t *nids = mout->dac_nids;
5284 int chs = substream->runtime->channels;
5285 struct hda_spdif_out *spdif;
5288 mutex_lock(&codec->spdif_mutex);
5289 spdif = snd_hda_spdif_out_of_nid(codec, mout->dig_out_nid);
5290 if (mout->dig_out_nid && mout->share_spdif &&
5291 mout->dig_out_used != HDA_DIG_EXCLUSIVE) {
5293 snd_hda_is_supported_format(codec, mout->dig_out_nid,
5295 !(spdif->status & IEC958_AES0_NONAUDIO)) {
5296 mout->dig_out_used = HDA_DIG_ANALOG_DUP;
5297 setup_dig_out_stream(codec, mout->dig_out_nid,
5298 stream_tag, format);
5300 mout->dig_out_used = 0;
5301 cleanup_dig_out_stream(codec, mout->dig_out_nid);
5304 mutex_unlock(&codec->spdif_mutex);
5307 snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag,
5309 if (!mout->no_share_stream &&
5310 mout->hp_nid && mout->hp_nid != nids[HDA_FRONT])
5311 /* headphone out will just decode front left/right (stereo) */
5312 snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag,
5314 /* extra outputs copied from front */
5315 for (i = 0; i < ARRAY_SIZE(mout->hp_out_nid); i++)
5316 if (!mout->no_share_stream && mout->hp_out_nid[i])
5317 snd_hda_codec_setup_stream(codec,
5318 mout->hp_out_nid[i],
5319 stream_tag, 0, format);
5320 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
5321 if (!mout->no_share_stream && mout->extra_out_nid[i])
5322 snd_hda_codec_setup_stream(codec,
5323 mout->extra_out_nid[i],
5324 stream_tag, 0, format);
5327 for (i = 1; i < mout->num_dacs; i++) {
5328 if (chs >= (i + 1) * 2) /* independent out */
5329 snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
5331 else if (!mout->no_share_stream) /* copy front */
5332 snd_hda_codec_setup_stream(codec, nids[i], stream_tag,
5337 EXPORT_SYMBOL_HDA(snd_hda_multi_out_analog_prepare);
5340 * snd_hda_multi_out_analog_cleanup - clean up the setting for analog out
5342 int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec,
5343 struct hda_multi_out *mout)
5345 const hda_nid_t *nids = mout->dac_nids;
5348 for (i = 0; i < mout->num_dacs; i++)
5349 snd_hda_codec_cleanup_stream(codec, nids[i]);
5351 snd_hda_codec_cleanup_stream(codec, mout->hp_nid);
5352 for (i = 0; i < ARRAY_SIZE(mout->hp_out_nid); i++)
5353 if (mout->hp_out_nid[i])
5354 snd_hda_codec_cleanup_stream(codec,
5355 mout->hp_out_nid[i]);
5356 for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
5357 if (mout->extra_out_nid[i])
5358 snd_hda_codec_cleanup_stream(codec,
5359 mout->extra_out_nid[i]);
5360 mutex_lock(&codec->spdif_mutex);
5361 if (mout->dig_out_nid && mout->dig_out_used == HDA_DIG_ANALOG_DUP) {
5362 cleanup_dig_out_stream(codec, mout->dig_out_nid);
5363 mout->dig_out_used = 0;
5365 mutex_unlock(&codec->spdif_mutex);
5368 EXPORT_SYMBOL_HDA(snd_hda_multi_out_analog_cleanup);
5371 * snd_hda_get_default_vref - Get the default (mic) VREF pin bits
5373 * Guess the suitable VREF pin bits to be set as the pin-control value.
5374 * Note: the function doesn't set the AC_PINCTL_IN_EN bit.
5376 unsigned int snd_hda_get_default_vref(struct hda_codec *codec, hda_nid_t pin)
5378 unsigned int pincap;
5379 unsigned int oldval;
5380 oldval = snd_hda_codec_read(codec, pin, 0,
5381 AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
5382 pincap = snd_hda_query_pin_caps(codec, pin);
5383 pincap = (pincap & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
5384 /* Exception: if the default pin setup is vref50, we give it priority */
5385 if ((pincap & AC_PINCAP_VREF_80) && oldval != PIN_VREF50)
5386 return AC_PINCTL_VREF_80;
5387 else if (pincap & AC_PINCAP_VREF_50)
5388 return AC_PINCTL_VREF_50;
5389 else if (pincap & AC_PINCAP_VREF_100)
5390 return AC_PINCTL_VREF_100;
5391 else if (pincap & AC_PINCAP_VREF_GRD)
5392 return AC_PINCTL_VREF_GRD;
5393 return AC_PINCTL_VREF_HIZ;
5395 EXPORT_SYMBOL_HDA(snd_hda_get_default_vref);
5397 /* correct the pin ctl value for matching with the pin cap */
5398 unsigned int snd_hda_correct_pin_ctl(struct hda_codec *codec,
5399 hda_nid_t pin, unsigned int val)
5401 static unsigned int cap_lists[][2] = {
5402 { AC_PINCTL_VREF_100, AC_PINCAP_VREF_100 },
5403 { AC_PINCTL_VREF_80, AC_PINCAP_VREF_80 },
5404 { AC_PINCTL_VREF_50, AC_PINCAP_VREF_50 },
5405 { AC_PINCTL_VREF_GRD, AC_PINCAP_VREF_GRD },
5411 cap = snd_hda_query_pin_caps(codec, pin);
5413 return val; /* don't know what to do... */
5415 if (val & AC_PINCTL_OUT_EN) {
5416 if (!(cap & AC_PINCAP_OUT))
5417 val &= ~(AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN);
5418 else if ((val & AC_PINCTL_HP_EN) && !(cap & AC_PINCAP_HP_DRV))
5419 val &= ~AC_PINCTL_HP_EN;
5422 if (val & AC_PINCTL_IN_EN) {
5423 if (!(cap & AC_PINCAP_IN))
5424 val &= ~(AC_PINCTL_IN_EN | AC_PINCTL_VREFEN);
5426 unsigned int vcap, vref;
5428 vcap = (cap & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
5429 vref = val & AC_PINCTL_VREFEN;
5430 for (i = 0; i < ARRAY_SIZE(cap_lists); i++) {
5431 if (vref == cap_lists[i][0] &&
5432 !(vcap & cap_lists[i][1])) {
5433 if (i == ARRAY_SIZE(cap_lists) - 1)
5434 vref = AC_PINCTL_VREF_HIZ;
5436 vref = cap_lists[i + 1][0];
5439 val &= ~AC_PINCTL_VREFEN;
5446 EXPORT_SYMBOL_HDA(snd_hda_correct_pin_ctl);
5448 int _snd_hda_set_pin_ctl(struct hda_codec *codec, hda_nid_t pin,
5449 unsigned int val, bool cached)
5451 val = snd_hda_correct_pin_ctl(codec, pin, val);
5452 snd_hda_codec_set_pin_target(codec, pin, val);
5454 return snd_hda_codec_update_cache(codec, pin, 0,
5455 AC_VERB_SET_PIN_WIDGET_CONTROL, val);
5457 return snd_hda_codec_write(codec, pin, 0,
5458 AC_VERB_SET_PIN_WIDGET_CONTROL, val);
5460 EXPORT_SYMBOL_HDA(_snd_hda_set_pin_ctl);
5463 * snd_hda_add_imux_item - Add an item to input_mux
5465 * When the same label is used already in the existing items, the number
5466 * suffix is appended to the label. This label index number is stored
5467 * to type_idx when non-NULL pointer is given.
5469 int snd_hda_add_imux_item(struct hda_input_mux *imux, const char *label,
5470 int index, int *type_idx)
5472 int i, label_idx = 0;
5473 if (imux->num_items >= HDA_MAX_NUM_INPUTS) {
5474 snd_printd(KERN_ERR "hda_codec: Too many imux items!\n");
5477 for (i = 0; i < imux->num_items; i++) {
5478 if (!strncmp(label, imux->items[i].label, strlen(label)))
5482 *type_idx = label_idx;
5484 snprintf(imux->items[imux->num_items].label,
5485 sizeof(imux->items[imux->num_items].label),
5486 "%s %d", label, label_idx);
5488 strlcpy(imux->items[imux->num_items].label, label,
5489 sizeof(imux->items[imux->num_items].label));
5490 imux->items[imux->num_items].index = index;
5494 EXPORT_SYMBOL_HDA(snd_hda_add_imux_item);
5503 * snd_hda_suspend - suspend the codecs
5506 * Returns 0 if successful.
5508 int snd_hda_suspend(struct hda_bus *bus)
5510 struct hda_codec *codec;
5512 list_for_each_entry(codec, &bus->codec_list, list) {
5513 cancel_delayed_work_sync(&codec->jackpoll_work);
5514 if (hda_codec_is_power_on(codec))
5515 hda_call_codec_suspend(codec, false);
5519 EXPORT_SYMBOL_HDA(snd_hda_suspend);
5522 * snd_hda_resume - resume the codecs
5525 * Returns 0 if successful.
5527 int snd_hda_resume(struct hda_bus *bus)
5529 struct hda_codec *codec;
5531 list_for_each_entry(codec, &bus->codec_list, list) {
5532 hda_call_codec_resume(codec);
5536 EXPORT_SYMBOL_HDA(snd_hda_resume);
5537 #endif /* CONFIG_PM */
5544 * snd_array_new - get a new element from the given array
5545 * @array: the array object
5547 * Get a new element from the given array. If it exceeds the
5548 * pre-allocated array size, re-allocate the array.
5550 * Returns NULL if allocation failed.
5552 void *snd_array_new(struct snd_array *array)
5554 if (snd_BUG_ON(!array->elem_size))
5556 if (array->used >= array->alloced) {
5557 int num = array->alloced + array->alloc_align;
5558 int size = (num + 1) * array->elem_size;
5560 if (snd_BUG_ON(num >= 4096))
5562 nlist = krealloc(array->list, size, GFP_KERNEL | __GFP_ZERO);
5565 array->list = nlist;
5566 array->alloced = num;
5568 return snd_array_elem(array, array->used++);
5570 EXPORT_SYMBOL_HDA(snd_array_new);
5573 * snd_array_free - free the given array elements
5574 * @array: the array object
5576 void snd_array_free(struct snd_array *array)
5583 EXPORT_SYMBOL_HDA(snd_array_free);
5586 * snd_print_pcm_bits - Print the supported PCM fmt bits to the string buffer
5587 * @pcm: PCM caps bits
5588 * @buf: the string buffer to write
5589 * @buflen: the max buffer length
5591 * used by hda_proc.c and hda_eld.c
5593 void snd_print_pcm_bits(int pcm, char *buf, int buflen)
5595 static unsigned int bits[] = { 8, 16, 20, 24, 32 };
5598 for (i = 0, j = 0; i < ARRAY_SIZE(bits); i++)
5599 if (pcm & (AC_SUPPCM_BITS_8 << i))
5600 j += snprintf(buf + j, buflen - j, " %d", bits[i]);
5602 buf[j] = '\0'; /* necessary when j == 0 */
5604 EXPORT_SYMBOL_HDA(snd_print_pcm_bits);
5606 MODULE_DESCRIPTION("HDA codec core");
5607 MODULE_LICENSE("GPL");